diff --git a/404.html b/404.html
index c29c1f2f..297e3b91 100644
--- a/404.html
+++ b/404.html
@@ -352,8 +352,8 @@ <h1>Page not found</h1>
   "url": "https://epiverse-trace.github.io/tutorials/404.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/404.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index d588fd67..a16e731a 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -371,7 +371,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://epiverse-trace.github.io/tutorials/CODE_OF_CONDUCT.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 612035b3..80f0ec7b 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -419,7 +419,7 @@ <h1>Licenses</h1>
   "identifier": "https://epiverse-trace.github.io/tutorials/LICENSE.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 605f7944..87280aa1 100644
--- a/aio.html
+++ b/aio.html
@@ -961,7 +961,7 @@ <h3 class="callout-title">Serial interval<a class="anchor" aria-label="anchor" h
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint1" aria-expanded="false" aria-controls="collapseHint1">
   <h4 class="accordion-header" id="headingHint1"> Give me a hint </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
 <div class="accordion-body">
 <p>The peak of each curve can inform you about the location of the mean
 of each distribution. The larger the mean, the larger the serial
@@ -975,7 +975,7 @@ <h4 class="accordion-header" id="headingHint1"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Which one would be harder to control?</p>
 <ul>
@@ -1211,7 +1211,7 @@ <h3 class="callout-title">Ebola’s incubation periods<a class="anchor" aria-lab
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint2" aria-expanded="false" aria-controls="collapseHint2">
   <h4 class="accordion-header" id="headingHint2"> Give me a hint </h4>
 </button>
-<div id="collapseHint2" class="accordion-collapse collapse" aria-labelledby="headingHint2" data-bs-parent="#accordionHint2">
+<div id="collapseHint2" class="accordion-collapse collapse" data-bs-parent="#accordionHint2" aria-labelledby="headingHint2">
 <div class="accordion-body">
 <p>The <code>{epiparameter}</code> combo of <code>epidist_db()</code>
 plus <code>list_distributions()</code> list all the entries by:</p>
@@ -1231,7 +1231,7 @@ <h4 class="accordion-header" id="headingHint2"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb16">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1418,7 +1418,7 @@ <h3 class="callout-title">Ebola’s incubation period<a class="anchor" aria-labe
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint3" aria-expanded="false" aria-controls="collapseHint3">
   <h4 class="accordion-header" id="headingHint3"> Give me a hint </h4>
 </button>
-<div id="collapseHint3" class="accordion-collapse collapse" aria-labelledby="headingHint3" data-bs-parent="#accordionHint3">
+<div id="collapseHint3" class="accordion-collapse collapse" data-bs-parent="#accordionHint3" aria-labelledby="headingHint3">
 <div class="accordion-body">
 <p>The <code>{epiparameter}</code> combo of <code>epidist_db()</code>
 plus <code>list_distributions()</code> list all the entries by:</p>
@@ -1448,7 +1448,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb28">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1517,7 +1517,7 @@ <h3 class="callout-title">How to get the <code>sd</code> and other
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint4" aria-expanded="false" aria-controls="collapseHint4">
   <h4 class="accordion-header" id="headingHint4"> Give me a hint </h4>
 </button>
-<div id="collapseHint4" class="accordion-collapse collapse" aria-labelledby="headingHint4" data-bs-parent="#accordionHint4">
+<div id="collapseHint4" class="accordion-collapse collapse" data-bs-parent="#accordionHint4" aria-labelledby="headingHint4">
 <div class="accordion-body">
 <p>Use the <code>$</code> operator plus the <kbd>tab</kbd> keyboard
 button to explore them as an expandable list:</p>
@@ -1537,7 +1537,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb32">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1602,7 +1602,7 @@ <h3 class="callout-title">Ebola’s severity parameter<a class="anchor" aria-lab
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint5" aria-expanded="false" aria-controls="collapseHint5">
   <h4 class="accordion-header" id="headingHint5"> Give me a hint </h4>
 </button>
-<div id="collapseHint5" class="accordion-collapse collapse" aria-labelledby="headingHint5" data-bs-parent="#accordionHint5">
+<div id="collapseHint5" class="accordion-collapse collapse" data-bs-parent="#accordionHint5" aria-labelledby="headingHint5">
 <div class="accordion-body">
 <p>An informative delay measures the time from symptom onset to recovery
 or death.</p>
@@ -1615,7 +1615,7 @@ <h4 class="accordion-header" id="headingHint5"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb35">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1699,7 +1699,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Parameterised entries have an Inference method </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>As detailed in <code>?is_parameterised</code>, a parameterised
 distribution is the entry that has a probability distribution associated
@@ -1814,7 +1814,7 @@ <h3 class="callout-title">The distribution Zoo<a class="anchor" aria-label="anch
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler2" aria-expanded="false" aria-controls="collapseSpoiler2">
   <h3 class="accordion-header" id="headingSpoiler2">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Functions for the Normal distribution </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>If you need it, read in detail about the <a href="https://sakai.unc.edu/access/content/group/3d1eb92e-7848-4f55-90c3-7c72a54e7e43/public/docs/lectures/lecture13.htm#probfunc" class="external-link">R
 probability functions for the normal distribution</a>, each of its
@@ -1921,7 +1921,7 @@ <h3 class="callout-title">Window for contact tracing and the Serial interval<a c
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint6" aria-expanded="false" aria-controls="collapseHint6">
   <h4 class="accordion-header" id="headingHint6"> Give me a hint </h4>
 </button>
-<div id="collapseHint6" class="accordion-collapse collapse" aria-labelledby="headingHint6" data-bs-parent="#accordionHint6">
+<div id="collapseHint6" class="accordion-collapse collapse" data-bs-parent="#accordionHint6" aria-labelledby="headingHint6">
 <div class="accordion-body">
 <p>In Figure 5 from the <a href="https://sakai.unc.edu/access/content/group/3d1eb92e-7848-4f55-90c3-7c72a54e7e43/public/docs/lectures/lecture13.htm#probfunc" class="external-link">R
 probability functions for the normal distribution</a>, the shadowed
@@ -1936,7 +1936,7 @@ <h4 class="accordion-header" id="headingHint6"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1967,7 +1967,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> What if </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>If we exchange the question between days and cumulative probability
 to:</p>
@@ -2088,7 +2088,7 @@ <h3 class="callout-title">Lenght of quarantine and Incubation period<a class="an
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint7" aria-expanded="false" aria-controls="collapseHint7">
   <h4 class="accordion-header" id="headingHint7"> Give me a hint </h4>
 </button>
-<div id="collapseHint7" class="accordion-collapse collapse" aria-labelledby="headingHint7" data-bs-parent="#accordionHint7">
+<div id="collapseHint7" class="accordion-collapse collapse" data-bs-parent="#accordionHint7" aria-labelledby="headingHint7">
 <div class="accordion-body">
 <p>What delay distribution measures the time between infection and the
 onset of symptoms?</p>
@@ -2123,7 +2123,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2152,7 +2152,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> how to create a distribution plot? </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <p>From a maximum value with <code>$prob_dist$q()</code>, we can create
 a sequence of quantile values as a numeric vector and map density values
@@ -2271,7 +2271,7 @@ <h3 class="callout-title">Ebola’s effective reproduction number<a class="ancho
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint8" aria-expanded="false" aria-controls="collapseHint8">
   <h4 class="accordion-header" id="headingHint8"> Give me a hint </h4>
 </button>
-<div id="collapseHint8" class="accordion-collapse collapse" aria-labelledby="headingHint8" data-bs-parent="#accordionHint8">
+<div id="collapseHint8" class="accordion-collapse collapse" data-bs-parent="#accordionHint8" aria-labelledby="headingHint8">
 <div class="accordion-body">
 <p>To calculate the <span class="math inline">\(R_t\)</span>, we
 need:</p>
@@ -2295,7 +2295,7 @@ <h4 class="accordion-header" id="headingHint8"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10"> Show me the solution </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb69">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2399,7 +2399,7 @@ <h3 class="callout-title">Reuse an Incubation period for COVID-19<a class="ancho
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint9" aria-expanded="false" aria-controls="collapseHint9">
   <h4 class="accordion-header" id="headingHint9"> Give me a hint </h4>
 </button>
-<div id="collapseHint9" class="accordion-collapse collapse" aria-labelledby="headingHint9" data-bs-parent="#accordionHint9">
+<div id="collapseHint9" class="accordion-collapse collapse" data-bs-parent="#accordionHint9" aria-labelledby="headingHint9">
 <div class="accordion-body">
 <p>The <code>delays</code> argument and the <code>delay_opts()</code>
 helper function are analogous to the <code>generation_time</code>
@@ -2431,7 +2431,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11"> Show me the solution </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb71">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2479,7 +2479,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12"> How much has it changed? </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <p>After adding the incubation period, discuss:</p>
 <ul>
@@ -2515,7 +2515,7 @@ <h3 class="callout-title">Ebola’s effective reproduction number was adjusted b
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint10" aria-expanded="false" aria-controls="collapseHint10">
   <h4 class="accordion-header" id="headingHint10"> Give me a hint </h4>
 </button>
-<div id="collapseHint10" class="accordion-collapse collapse" aria-labelledby="headingHint10" data-bs-parent="#accordionHint10">
+<div id="collapseHint10" class="accordion-collapse collapse" data-bs-parent="#accordionHint10" aria-labelledby="headingHint10">
 <div class="accordion-body">
 <p>We can use two complementary delay distributions to estimate the
 <span class="math inline">\(R_t\)</span> at time <span class="math inline">\(t\)</span>.</p>
@@ -2528,7 +2528,7 @@ <h4 class="accordion-header" id="headingHint10"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13"> Show me the solution </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb72">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2615,7 +2615,7 @@ <h3 class="callout-title">Extract parameters<a class="anchor" aria-label="anchor
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint11" aria-expanded="false" aria-controls="collapseHint11">
   <h4 class="accordion-header" id="headingHint11"> Give me a hint </h4>
 </button>
-<div id="collapseHint11" class="accordion-collapse collapse" aria-labelledby="headingHint11" data-bs-parent="#accordionHint11">
+<div id="collapseHint11" class="accordion-collapse collapse" data-bs-parent="#accordionHint11" aria-labelledby="headingHint11">
 <div class="accordion-body">
 <p>How to get the mean and standard deviation from a generation time
 with median and quantiles as summary statistics?</p>
@@ -2634,7 +2634,7 @@ <h4 class="accordion-header" id="headingHint11"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14"> Show me the solution </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <!-- https://github.com/epiverse-trace/epiparameter/issues/114 -->
 <div class="codewrapper sourceCode" id="cb73">
@@ -2776,7 +2776,7 @@ <h3 class="callout-title">How to estimate delay distributions for Disease X?<a c
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler3" aria-expanded="false" aria-controls="collapseSpoiler3">
   <h3 class="accordion-header" id="headingSpoiler3">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> How to assess for pre-symptomatic infection? </h3>
 </button>
-<div id="collapseSpoiler3" class="accordion-collapse collapse" aria-labelledby="headingSpoiler3" data-bs-parent="#accordionSpoiler3">
+<div id="collapseSpoiler3" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler3" aria-labelledby="headingSpoiler3">
 <div class="accordion-body">
 <p>The lengths of the Serial interval and Incubation period determine
 the type of disease transmission.</p>
@@ -2832,7 +2832,7 @@ <h3 class="callout-title">What type of transmission?<a class="anchor" aria-label
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint12" aria-expanded="false" aria-controls="collapseHint12">
   <h4 class="accordion-header" id="headingHint12"> Give me a hint </h4>
 </button>
-<div id="collapseHint12" class="accordion-collapse collapse" aria-labelledby="headingHint12" data-bs-parent="#accordionHint12">
+<div id="collapseHint12" class="accordion-collapse collapse" data-bs-parent="#accordionHint12" aria-labelledby="headingHint12">
 <div class="accordion-body">
 <p>For types of transmission, we refer to infections with symptomatic or
 pre-symptomatic transmission.</p>
@@ -2850,7 +2850,7 @@ <h4 class="accordion-header" id="headingHint12"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15"> Show me the solution </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
 <div class="accordion-body">
 <p>In this solution we use <code>purrr::pluck()</code> to extract
 elements within the <code>summary_stats</code> object which is of class
@@ -5962,7 +5962,7 @@ <h3 class="callout-title">Compare interventions<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Output </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -6428,8 +6428,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://epiverse-trace.github.io/tutorials/aio.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/aio.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/compare-interventions.html b/compare-interventions.html
index 20de0fc4..ac605a9c 100644
--- a/compare-interventions.html
+++ b/compare-interventions.html
@@ -676,7 +676,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/compare-interventions.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/create-forecast.html b/create-forecast.html
index e8f41e31..ae5d1608 100644
--- a/create-forecast.html
+++ b/create-forecast.html
@@ -883,7 +883,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/create-forecast.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index 10043f07..5362f38e 100644
--- a/images.html
+++ b/images.html
@@ -532,8 +532,8 @@ <h3 id="compare-interventions-figure-1">Figure 1</h3>
   "url": "https://epiverse-trace.github.io/tutorials/images.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/images.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index b5556413..2d63f60f 100644
--- a/index.html
+++ b/index.html
@@ -508,8 +508,8 @@ <h3 id="download-the-data">Download the data<a class="anchor" aria-label="anchor
   "url": "https://epiverse-trace.github.io/tutorials/index.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/index.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 6c23920f..c55d5d00 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -394,8 +394,8 @@ <h1>Instructor Notes</h1>
   "url": "https://epiverse-trace.github.io/tutorials/instructor-notes.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor-notes.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 5892f05d..b9c1fa66 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -352,8 +352,8 @@ <h1>Page not found</h1>
   "url": "https://epiverse-trace.github.io/tutorials/instructor/404.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/404.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 976b955b..d0c14a78 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -373,7 +373,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 292b76b5..2c75ce26 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -421,7 +421,7 @@ <h1>Licenses</h1>
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/LICENSE.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index d2f52426..ed3db23f 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -965,7 +965,7 @@ <h3 class="callout-title">Serial interval<a class="anchor" aria-label="anchor" h
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint1" aria-expanded="false" aria-controls="collapseHint1">
   <h4 class="accordion-header" id="headingHint1"> Give me a hint </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
 <div class="accordion-body">
 <p>The peak of each curve can inform you about the location of the mean
 of each distribution. The larger the mean, the larger the serial
@@ -979,7 +979,7 @@ <h4 class="accordion-header" id="headingHint1"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Which one would be harder to control?</p>
 <ul>
@@ -1001,7 +1001,7 @@ <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor1" aria-expanded="false" aria-controls="collapseInstructor1">
   <h3 class="accordion-header" id="headingInstructor1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Instructor Note </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>The objective of the assessment above is to assess the interpretation
 of a larger or shorter generation time.</p>
@@ -1227,7 +1227,7 @@ <h3 class="callout-title">Ebola’s incubation periods<a class="anchor" aria-lab
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint2" aria-expanded="false" aria-controls="collapseHint2">
   <h4 class="accordion-header" id="headingHint2"> Give me a hint </h4>
 </button>
-<div id="collapseHint2" class="accordion-collapse collapse" aria-labelledby="headingHint2" data-bs-parent="#accordionHint2">
+<div id="collapseHint2" class="accordion-collapse collapse" data-bs-parent="#accordionHint2" aria-labelledby="headingHint2">
 <div class="accordion-body">
 <p>The <code>{epiparameter}</code> combo of <code>epidist_db()</code>
 plus <code>list_distributions()</code> list all the entries by:</p>
@@ -1247,7 +1247,7 @@ <h4 class="accordion-header" id="headingHint2"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb16">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1434,7 +1434,7 @@ <h3 class="callout-title">Ebola’s incubation period<a class="anchor" aria-labe
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint3" aria-expanded="false" aria-controls="collapseHint3">
   <h4 class="accordion-header" id="headingHint3"> Give me a hint </h4>
 </button>
-<div id="collapseHint3" class="accordion-collapse collapse" aria-labelledby="headingHint3" data-bs-parent="#accordionHint3">
+<div id="collapseHint3" class="accordion-collapse collapse" data-bs-parent="#accordionHint3" aria-labelledby="headingHint3">
 <div class="accordion-body">
 <p>The <code>{epiparameter}</code> combo of <code>epidist_db()</code>
 plus <code>list_distributions()</code> list all the entries by:</p>
@@ -1464,7 +1464,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb28">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1533,7 +1533,7 @@ <h3 class="callout-title">How to get the <code>sd</code> and other
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint4" aria-expanded="false" aria-controls="collapseHint4">
   <h4 class="accordion-header" id="headingHint4"> Give me a hint </h4>
 </button>
-<div id="collapseHint4" class="accordion-collapse collapse" aria-labelledby="headingHint4" data-bs-parent="#accordionHint4">
+<div id="collapseHint4" class="accordion-collapse collapse" data-bs-parent="#accordionHint4" aria-labelledby="headingHint4">
 <div class="accordion-body">
 <p>Use the <code>$</code> operator plus the <kbd>tab</kbd> keyboard
 button to explore them as an expandable list:</p>
@@ -1553,7 +1553,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb32">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1618,7 +1618,7 @@ <h3 class="callout-title">Ebola’s severity parameter<a class="anchor" aria-lab
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint5" aria-expanded="false" aria-controls="collapseHint5">
   <h4 class="accordion-header" id="headingHint5"> Give me a hint </h4>
 </button>
-<div id="collapseHint5" class="accordion-collapse collapse" aria-labelledby="headingHint5" data-bs-parent="#accordionHint5">
+<div id="collapseHint5" class="accordion-collapse collapse" data-bs-parent="#accordionHint5" aria-labelledby="headingHint5">
 <div class="accordion-body">
 <p>An informative delay measures the time from symptom onset to recovery
 or death.</p>
@@ -1631,7 +1631,7 @@ <h4 class="accordion-header" id="headingHint5"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb35">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1715,7 +1715,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Parameterised entries have an Inference method </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>As detailed in <code>?is_parameterised</code>, a parameterised
 distribution is the entry that has a probability distribution associated
@@ -1830,7 +1830,7 @@ <h3 class="callout-title">The distribution Zoo<a class="anchor" aria-label="anch
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler2" aria-expanded="false" aria-controls="collapseSpoiler2">
   <h3 class="accordion-header" id="headingSpoiler2">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Functions for the Normal distribution </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>If you need it, read in detail about the <a href="https://sakai.unc.edu/access/content/group/3d1eb92e-7848-4f55-90c3-7c72a54e7e43/public/docs/lectures/lecture13.htm#probfunc" class="external-link">R
 probability functions for the normal distribution</a>, each of its
@@ -1911,7 +1911,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor2" aria-expanded="false" aria-controls="collapseInstructor2">
   <h3 class="accordion-header" id="headingInstructor2">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Instructor Note </h3>
 </button>
-<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
 <div class="accordion-body">
 <p>Access to the reference documentation (Help files) for these
 functions is accessible with the three double-colon notation:
@@ -1956,7 +1956,7 @@ <h3 class="callout-title">Window for contact tracing and the Serial interval<a c
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint6" aria-expanded="false" aria-controls="collapseHint6">
   <h4 class="accordion-header" id="headingHint6"> Give me a hint </h4>
 </button>
-<div id="collapseHint6" class="accordion-collapse collapse" aria-labelledby="headingHint6" data-bs-parent="#accordionHint6">
+<div id="collapseHint6" class="accordion-collapse collapse" data-bs-parent="#accordionHint6" aria-labelledby="headingHint6">
 <div class="accordion-body">
 <p>In Figure 5 from the <a href="https://sakai.unc.edu/access/content/group/3d1eb92e-7848-4f55-90c3-7c72a54e7e43/public/docs/lectures/lecture13.htm#probfunc" class="external-link">R
 probability functions for the normal distribution</a>, the shadowed
@@ -1971,7 +1971,7 @@ <h4 class="accordion-header" id="headingHint6"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2002,7 +2002,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> What if </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>If we exchange the question between days and cumulative probability
 to:</p>
@@ -2123,7 +2123,7 @@ <h3 class="callout-title">Lenght of quarantine and Incubation period<a class="an
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint7" aria-expanded="false" aria-controls="collapseHint7">
   <h4 class="accordion-header" id="headingHint7"> Give me a hint </h4>
 </button>
-<div id="collapseHint7" class="accordion-collapse collapse" aria-labelledby="headingHint7" data-bs-parent="#accordionHint7">
+<div id="collapseHint7" class="accordion-collapse collapse" data-bs-parent="#accordionHint7" aria-labelledby="headingHint7">
 <div class="accordion-body">
 <p>What delay distribution measures the time between infection and the
 onset of symptoms?</p>
@@ -2158,7 +2158,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2187,7 +2187,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> how to create a distribution plot? </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <p>From a maximum value with <code>$prob_dist$q()</code>, we can create
 a sequence of quantile values as a numeric vector and map density values
@@ -2306,7 +2306,7 @@ <h3 class="callout-title">Ebola’s effective reproduction number<a class="ancho
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint8" aria-expanded="false" aria-controls="collapseHint8">
   <h4 class="accordion-header" id="headingHint8"> Give me a hint </h4>
 </button>
-<div id="collapseHint8" class="accordion-collapse collapse" aria-labelledby="headingHint8" data-bs-parent="#accordionHint8">
+<div id="collapseHint8" class="accordion-collapse collapse" data-bs-parent="#accordionHint8" aria-labelledby="headingHint8">
 <div class="accordion-body">
 <p>To calculate the <span class="math inline">\(R_t\)</span>, we
 need:</p>
@@ -2330,7 +2330,7 @@ <h4 class="accordion-header" id="headingHint8"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10"> Show me the solution </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb69">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2434,7 +2434,7 @@ <h3 class="callout-title">Reuse an Incubation period for COVID-19<a class="ancho
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint9" aria-expanded="false" aria-controls="collapseHint9">
   <h4 class="accordion-header" id="headingHint9"> Give me a hint </h4>
 </button>
-<div id="collapseHint9" class="accordion-collapse collapse" aria-labelledby="headingHint9" data-bs-parent="#accordionHint9">
+<div id="collapseHint9" class="accordion-collapse collapse" data-bs-parent="#accordionHint9" aria-labelledby="headingHint9">
 <div class="accordion-body">
 <p>The <code>delays</code> argument and the <code>delay_opts()</code>
 helper function are analogous to the <code>generation_time</code>
@@ -2466,7 +2466,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11"> Show me the solution </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb71">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2514,7 +2514,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12"> How much has it changed? </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <p>After adding the incubation period, discuss:</p>
 <ul>
@@ -2550,7 +2550,7 @@ <h3 class="callout-title">Ebola’s effective reproduction number was adjusted b
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint10" aria-expanded="false" aria-controls="collapseHint10">
   <h4 class="accordion-header" id="headingHint10"> Give me a hint </h4>
 </button>
-<div id="collapseHint10" class="accordion-collapse collapse" aria-labelledby="headingHint10" data-bs-parent="#accordionHint10">
+<div id="collapseHint10" class="accordion-collapse collapse" data-bs-parent="#accordionHint10" aria-labelledby="headingHint10">
 <div class="accordion-body">
 <p>We can use two complementary delay distributions to estimate the
 <span class="math inline">\(R_t\)</span> at time <span class="math inline">\(t\)</span>.</p>
@@ -2563,7 +2563,7 @@ <h4 class="accordion-header" id="headingHint10"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13"> Show me the solution </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb72">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2650,7 +2650,7 @@ <h3 class="callout-title">Extract parameters<a class="anchor" aria-label="anchor
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint11" aria-expanded="false" aria-controls="collapseHint11">
   <h4 class="accordion-header" id="headingHint11"> Give me a hint </h4>
 </button>
-<div id="collapseHint11" class="accordion-collapse collapse" aria-labelledby="headingHint11" data-bs-parent="#accordionHint11">
+<div id="collapseHint11" class="accordion-collapse collapse" data-bs-parent="#accordionHint11" aria-labelledby="headingHint11">
 <div class="accordion-body">
 <p>How to get the mean and standard deviation from a generation time
 with median and quantiles as summary statistics?</p>
@@ -2669,7 +2669,7 @@ <h4 class="accordion-header" id="headingHint11"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14"> Show me the solution </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <!-- https://github.com/epiverse-trace/epiparameter/issues/114 -->
 <div class="codewrapper sourceCode" id="cb73">
@@ -2811,7 +2811,7 @@ <h3 class="callout-title">How to estimate delay distributions for Disease X?<a c
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler3" aria-expanded="false" aria-controls="collapseSpoiler3">
   <h3 class="accordion-header" id="headingSpoiler3">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> How to assess for pre-symptomatic infection? </h3>
 </button>
-<div id="collapseSpoiler3" class="accordion-collapse collapse" aria-labelledby="headingSpoiler3" data-bs-parent="#accordionSpoiler3">
+<div id="collapseSpoiler3" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler3" aria-labelledby="headingSpoiler3">
 <div class="accordion-body">
 <p>The lengths of the Serial interval and Incubation period determine
 the type of disease transmission.</p>
@@ -2867,7 +2867,7 @@ <h3 class="callout-title">What type of transmission?<a class="anchor" aria-label
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint12" aria-expanded="false" aria-controls="collapseHint12">
   <h4 class="accordion-header" id="headingHint12"> Give me a hint </h4>
 </button>
-<div id="collapseHint12" class="accordion-collapse collapse" aria-labelledby="headingHint12" data-bs-parent="#accordionHint12">
+<div id="collapseHint12" class="accordion-collapse collapse" data-bs-parent="#accordionHint12" aria-labelledby="headingHint12">
 <div class="accordion-body">
 <p>For types of transmission, we refer to infections with symptomatic or
 pre-symptomatic transmission.</p>
@@ -2885,7 +2885,7 @@ <h4 class="accordion-header" id="headingHint12"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15"> Show me the solution </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
 <div class="accordion-body">
 <p>In this solution we use <code>purrr::pluck()</code> to extract
 elements within the <code>summary_stats</code> object which is of class
@@ -5613,7 +5613,7 @@ <h3 class="callout-title">Prerequisites<a class="anchor" aria-label="anchor" hre
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor1" aria-expanded="false" aria-controls="collapseInstructor1">
   <h3 class="accordion-header" id="headingInstructor1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Instructor Note </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>In this tutorial different types of intervention and how they can be
 modelled are introduced. Learners should be able to understand the
@@ -6055,7 +6055,7 @@ <h3 class="callout-title">Compare interventions<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Output </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -6537,8 +6537,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://epiverse-trace.github.io/tutorials/instructor/aio.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/aio.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/compare-interventions.html b/instructor/compare-interventions.html
index f945ac5c..b62ddf55 100644
--- a/instructor/compare-interventions.html
+++ b/instructor/compare-interventions.html
@@ -692,7 +692,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/compare-interventions.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/create-forecast.html b/instructor/create-forecast.html
index 9feacda5..c3eb692e 100644
--- a/instructor/create-forecast.html
+++ b/instructor/create-forecast.html
@@ -885,7 +885,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/create-forecast.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index e012175b..05eec5f7 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -534,8 +534,8 @@ <h3 id="compare-interventions-figure-1">Figure 1</h3>
   "url": "https://epiverse-trace.github.io/tutorials/instructor/images.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/images.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 2909d3e3..5fbec3b4 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -450,7 +450,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor1" aria-expanded="false" aria-controls="collapseInstructor1">
   <h3 class="accordion-header" id="headingInstructor1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Instructor Note </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
 <div class="accordion-body">
 <p>Setup instructions live in this document. Please specify the tools
 and the data sets the learner needs to have installed. If you want to
@@ -621,8 +621,8 @@ <h3 id="download-the-data">Download the data<a class="anchor" aria-label="anchor
   "url": "https://epiverse-trace.github.io/tutorials/instructor/index.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/index.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 8590aa92..1185196e 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -464,8 +464,8 @@ <h3 id="compare-interventions-headingInstructor1">
   "url": "https://epiverse-trace.github.io/tutorials/instructor/instructor-notes.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/instructor-notes.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/introduction.html b/instructor/introduction.html
index 996d5d99..a305a2d7 100644
--- a/instructor/introduction.html
+++ b/instructor/introduction.html
@@ -654,7 +654,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/introduction.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 987e7b89..88de75cd 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -450,8 +450,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://epiverse-trace.github.io/tutorials/instructor/key-points.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/key-points.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/model-choices.html b/instructor/model-choices.html
index e3ef1163..c79ec5fb 100644
--- a/instructor/model-choices.html
+++ b/instructor/model-choices.html
@@ -864,7 +864,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/model-choices.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/modelling-interventions.html b/instructor/modelling-interventions.html
index 5aa6fca5..b82b5b9c 100644
--- a/instructor/modelling-interventions.html
+++ b/instructor/modelling-interventions.html
@@ -374,7 +374,7 @@ <h3 class="callout-title">Prerequisites<a class="anchor" aria-label="anchor" hre
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor1" aria-expanded="false" aria-controls="collapseInstructor1">
   <h3 class="accordion-header" id="headingInstructor1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Instructor Note </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>In this tutorial different types of intervention and how they can be
 modelled are introduced. Learners should be able to understand the
@@ -810,7 +810,7 @@ <h3 class="callout-title">Compare interventions<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Output </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -939,7 +939,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/modelling-interventions.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index f6e5d695..5784fd33 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -331,8 +331,8 @@ <h1>Learner Profiles</h1>
   "url": "https://epiverse-trace.github.io/tutorials/instructor/profiles.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/profiles.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/quantify-transmissibility.html b/instructor/quantify-transmissibility.html
index 88a329bf..c04a70a5 100644
--- a/instructor/quantify-transmissibility.html
+++ b/instructor/quantify-transmissibility.html
@@ -1076,7 +1076,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/quantify-transmissibility.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/read-delays.html b/instructor/read-delays.html
index 575d2141..f3712d07 100644
--- a/instructor/read-delays.html
+++ b/instructor/read-delays.html
@@ -576,7 +576,7 @@ <h3 class="callout-title">Serial interval<a class="anchor" aria-label="anchor" h
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint1" aria-expanded="false" aria-controls="collapseHint1">
   <h4 class="accordion-header" id="headingHint1"> Give me a hint </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
 <div class="accordion-body">
 <p>The peak of each curve can inform you about the location of the mean
 of each distribution. The larger the mean, the larger the serial
@@ -590,7 +590,7 @@ <h4 class="accordion-header" id="headingHint1"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Which one would be harder to control?</p>
 <ul><li>COVID-19</li>
@@ -608,7 +608,7 @@ <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor1" aria-expanded="false" aria-controls="collapseInstructor1">
   <h3 class="accordion-header" id="headingInstructor1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Instructor Note </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>The objective of the assessment above is to assess the interpretation
 of a larger or shorter generation time.</p>
@@ -830,7 +830,7 @@ <h3 class="callout-title">Ebola’s incubation periods<a class="anchor" aria-lab
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint2" aria-expanded="false" aria-controls="collapseHint2">
   <h4 class="accordion-header" id="headingHint2"> Give me a hint </h4>
 </button>
-<div id="collapseHint2" class="accordion-collapse collapse" aria-labelledby="headingHint2" data-bs-parent="#accordionHint2">
+<div id="collapseHint2" class="accordion-collapse collapse" data-bs-parent="#accordionHint2" aria-labelledby="headingHint2">
 <div class="accordion-body">
 <p>The <code>{epiparameter}</code> combo of <code>epidist_db()</code>
 plus <code>list_distributions()</code> list all the entries by:</p>
@@ -848,7 +848,7 @@ <h4 class="accordion-header" id="headingHint2"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb16">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1029,7 +1029,7 @@ <h3 class="callout-title">Ebola’s incubation period<a class="anchor" aria-labe
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint3" aria-expanded="false" aria-controls="collapseHint3">
   <h4 class="accordion-header" id="headingHint3"> Give me a hint </h4>
 </button>
-<div id="collapseHint3" class="accordion-collapse collapse" aria-labelledby="headingHint3" data-bs-parent="#accordionHint3">
+<div id="collapseHint3" class="accordion-collapse collapse" data-bs-parent="#accordionHint3" aria-labelledby="headingHint3">
 <div class="accordion-body">
 <p>The <code>{epiparameter}</code> combo of <code>epidist_db()</code>
 plus <code>list_distributions()</code> list all the entries by:</p>
@@ -1057,7 +1057,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb28">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1120,7 +1120,7 @@ <h3 class="callout-title">How to get the <code>sd</code> and other
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint4" aria-expanded="false" aria-controls="collapseHint4">
   <h4 class="accordion-header" id="headingHint4"> Give me a hint </h4>
 </button>
-<div id="collapseHint4" class="accordion-collapse collapse" aria-labelledby="headingHint4" data-bs-parent="#accordionHint4">
+<div id="collapseHint4" class="accordion-collapse collapse" data-bs-parent="#accordionHint4" aria-labelledby="headingHint4">
 <div class="accordion-body">
 <p>Use the <code>$</code> operator plus the <kbd>tab</kbd> keyboard
 button to explore them as an expandable list:</p>
@@ -1140,7 +1140,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb32">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1203,7 +1203,7 @@ <h3 class="callout-title">Ebola’s severity parameter<a class="anchor" aria-lab
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint5" aria-expanded="false" aria-controls="collapseHint5">
   <h4 class="accordion-header" id="headingHint5"> Give me a hint </h4>
 </button>
-<div id="collapseHint5" class="accordion-collapse collapse" aria-labelledby="headingHint5" data-bs-parent="#accordionHint5">
+<div id="collapseHint5" class="accordion-collapse collapse" data-bs-parent="#accordionHint5" aria-labelledby="headingHint5">
 <div class="accordion-body">
 <p>An informative delay measures the time from symptom onset to recovery
 or death.</p>
@@ -1216,7 +1216,7 @@ <h4 class="accordion-header" id="headingHint5"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb35">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1298,7 +1298,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Parameterised entries have an Inference method </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>As detailed in <code>?is_parameterised</code>, a parameterised
 distribution is the entry that has a probability distribution associated
@@ -1403,7 +1403,7 @@ <h3 class="callout-title">The distribution Zoo<a class="anchor" aria-label="anch
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler2" aria-expanded="false" aria-controls="collapseSpoiler2">
   <h3 class="accordion-header" id="headingSpoiler2">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Functions for the Normal distribution </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>If you need it, read in detail about the <a href="https://sakai.unc.edu/access/content/group/3d1eb92e-7848-4f55-90c3-7c72a54e7e43/public/docs/lectures/lecture13.htm#probfunc" class="external-link">R
 probability functions for the normal distribution</a>, each of its
@@ -1483,7 +1483,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor2" aria-expanded="false" aria-controls="collapseInstructor2">
   <h3 class="accordion-header" id="headingInstructor2">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Instructor Note </h3>
 </button>
-<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
 <div class="accordion-body">
 <p>Access to the reference documentation (Help files) for these
 functions is accessible with the three double-colon notation:
@@ -1524,7 +1524,7 @@ <h3 class="callout-title">Window for contact tracing and the Serial interval<a c
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint6" aria-expanded="false" aria-controls="collapseHint6">
   <h4 class="accordion-header" id="headingHint6"> Give me a hint </h4>
 </button>
-<div id="collapseHint6" class="accordion-collapse collapse" aria-labelledby="headingHint6" data-bs-parent="#accordionHint6">
+<div id="collapseHint6" class="accordion-collapse collapse" data-bs-parent="#accordionHint6" aria-labelledby="headingHint6">
 <div class="accordion-body">
 <p>In Figure 5 from the <a href="https://sakai.unc.edu/access/content/group/3d1eb92e-7848-4f55-90c3-7c72a54e7e43/public/docs/lectures/lecture13.htm#probfunc" class="external-link">R
 probability functions for the normal distribution</a>, the shadowed
@@ -1539,7 +1539,7 @@ <h4 class="accordion-header" id="headingHint6"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1568,7 +1568,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> What if </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>If we exchange the question between days and cumulative probability
 to:</p>
@@ -1681,7 +1681,7 @@ <h3 class="callout-title">Lenght of quarantine and Incubation period<a class="an
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint7" aria-expanded="false" aria-controls="collapseHint7">
   <h4 class="accordion-header" id="headingHint7"> Give me a hint </h4>
 </button>
-<div id="collapseHint7" class="accordion-collapse collapse" aria-labelledby="headingHint7" data-bs-parent="#accordionHint7">
+<div id="collapseHint7" class="accordion-collapse collapse" data-bs-parent="#accordionHint7" aria-labelledby="headingHint7">
 <div class="accordion-body">
 <p>What delay distribution measures the time between infection and the
 onset of symptoms?</p>
@@ -1716,7 +1716,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1745,7 +1745,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> how to create a distribution plot? </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <p>From a maximum value with <code>$prob_dist$q()</code>, we can create
 a sequence of quantile values as a numeric vector and map density values
@@ -1860,7 +1860,7 @@ <h3 class="callout-title">Ebola’s effective reproduction number<a class="ancho
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint8" aria-expanded="false" aria-controls="collapseHint8">
   <h4 class="accordion-header" id="headingHint8"> Give me a hint </h4>
 </button>
-<div id="collapseHint8" class="accordion-collapse collapse" aria-labelledby="headingHint8" data-bs-parent="#accordionHint8">
+<div id="collapseHint8" class="accordion-collapse collapse" data-bs-parent="#accordionHint8" aria-labelledby="headingHint8">
 <div class="accordion-body">
 <p>To calculate the <span class="math inline">\(R_t\)</span>, we
 need:</p>
@@ -1880,7 +1880,7 @@ <h4 class="accordion-header" id="headingHint8"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10"> Show me the solution </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb69">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1980,7 +1980,7 @@ <h3 class="callout-title">Reuse an Incubation period for COVID-19<a class="ancho
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint9" aria-expanded="false" aria-controls="collapseHint9">
   <h4 class="accordion-header" id="headingHint9"> Give me a hint </h4>
 </button>
-<div id="collapseHint9" class="accordion-collapse collapse" aria-labelledby="headingHint9" data-bs-parent="#accordionHint9">
+<div id="collapseHint9" class="accordion-collapse collapse" data-bs-parent="#accordionHint9" aria-labelledby="headingHint9">
 <div class="accordion-body">
 <p>The <code>delays</code> argument and the <code>delay_opts()</code>
 helper function are analogous to the <code>generation_time</code>
@@ -2012,7 +2012,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11"> Show me the solution </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb71">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2060,7 +2060,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12"> How much has it changed? </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <p>After adding the incubation period, discuss:</p>
 <ul><li>Does the retrospective trend of forecast change?</li>
@@ -2092,7 +2092,7 @@ <h3 class="callout-title">Ebola’s effective reproduction number was adjusted b
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint10" aria-expanded="false" aria-controls="collapseHint10">
   <h4 class="accordion-header" id="headingHint10"> Give me a hint </h4>
 </button>
-<div id="collapseHint10" class="accordion-collapse collapse" aria-labelledby="headingHint10" data-bs-parent="#accordionHint10">
+<div id="collapseHint10" class="accordion-collapse collapse" data-bs-parent="#accordionHint10" aria-labelledby="headingHint10">
 <div class="accordion-body">
 <p>We can use two complementary delay distributions to estimate the
 <span class="math inline">\(R_t\)</span> at time <span class="math inline">\(t\)</span>.</p>
@@ -2105,7 +2105,7 @@ <h4 class="accordion-header" id="headingHint10"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13"> Show me the solution </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb72">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2192,7 +2192,7 @@ <h3 class="callout-title">Extract parameters<a class="anchor" aria-label="anchor
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint11" aria-expanded="false" aria-controls="collapseHint11">
   <h4 class="accordion-header" id="headingHint11"> Give me a hint </h4>
 </button>
-<div id="collapseHint11" class="accordion-collapse collapse" aria-labelledby="headingHint11" data-bs-parent="#accordionHint11">
+<div id="collapseHint11" class="accordion-collapse collapse" data-bs-parent="#accordionHint11" aria-labelledby="headingHint11">
 <div class="accordion-body">
 <p>How to get the mean and standard deviation from a generation time
 with median and quantiles as summary statistics?</p>
@@ -2209,7 +2209,7 @@ <h4 class="accordion-header" id="headingHint11"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14"> Show me the solution </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <!-- https://github.com/epiverse-trace/epiparameter/issues/114 -->
 <div class="codewrapper sourceCode" id="cb73">
@@ -2345,7 +2345,7 @@ <h3 class="callout-title">How to estimate delay distributions for Disease X?<a c
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler3" aria-expanded="false" aria-controls="collapseSpoiler3">
   <h3 class="accordion-header" id="headingSpoiler3">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> How to assess for pre-symptomatic infection? </h3>
 </button>
-<div id="collapseSpoiler3" class="accordion-collapse collapse" aria-labelledby="headingSpoiler3" data-bs-parent="#accordionSpoiler3">
+<div id="collapseSpoiler3" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler3" aria-labelledby="headingSpoiler3">
 <div class="accordion-body">
 <p>The lengths of the Serial interval and Incubation period determine
 the type of disease transmission.</p>
@@ -2399,7 +2399,7 @@ <h3 class="callout-title">What type of transmission?<a class="anchor" aria-label
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint12" aria-expanded="false" aria-controls="collapseHint12">
   <h4 class="accordion-header" id="headingHint12"> Give me a hint </h4>
 </button>
-<div id="collapseHint12" class="accordion-collapse collapse" aria-labelledby="headingHint12" data-bs-parent="#accordionHint12">
+<div id="collapseHint12" class="accordion-collapse collapse" data-bs-parent="#accordionHint12" aria-labelledby="headingHint12">
 <div class="accordion-body">
 <p>For types of transmission, we refer to infections with symptomatic or
 pre-symptomatic transmission.</p>
@@ -2415,7 +2415,7 @@ <h4 class="accordion-header" id="headingHint12"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15"> Show me the solution </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
 <div class="accordion-body">
 <p>In this solution we use <code>purrr::pluck()</code> to extract
 elements within the <code>summary_stats</code> object which is of class
@@ -2591,7 +2591,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/read-delays.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index c23f7986..838d0966 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -624,7 +624,7 @@ <h1>Glossary of Terms: Epiverse-TRACE</h1>
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/reference.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/simulating-transmission.html b/instructor/simulating-transmission.html
index a9b64d81..538f3fa4 100644
--- a/instructor/simulating-transmission.html
+++ b/instructor/simulating-transmission.html
@@ -993,7 +993,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/instructor/simulating-transmission.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/introduction.html b/introduction.html
index 82549e2f..d24a49ce 100644
--- a/introduction.html
+++ b/introduction.html
@@ -652,7 +652,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/introduction.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 78d76505..c1afdb15 100644
--- a/key-points.html
+++ b/key-points.html
@@ -448,8 +448,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://epiverse-trace.github.io/tutorials/key-points.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/key-points.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/model-choices.html b/model-choices.html
index e3d5940e..59e1b99a 100644
--- a/model-choices.html
+++ b/model-choices.html
@@ -850,7 +850,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/model-choices.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/modelling-interventions.html b/modelling-interventions.html
index 78fe8d52..009d2040 100644
--- a/modelling-interventions.html
+++ b/modelling-interventions.html
@@ -794,7 +794,7 @@ <h3 class="callout-title">Compare interventions<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Output </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -923,7 +923,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/modelling-interventions.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 16adfb89..7dec99d7 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.0
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-07-09T00:38Z
+last_built: 2024-07-16T00:38Z
diff --git a/profiles.html b/profiles.html
index e68cd18a..b2054766 100644
--- a/profiles.html
+++ b/profiles.html
@@ -331,8 +331,8 @@ <h1>Learner Profiles</h1>
   "url": "https://epiverse-trace.github.io/tutorials/profiles.html",
   "identifier": "https://epiverse-trace.github.io/tutorials/profiles.html",
   "dateCreated": "2024-02-06",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/quantify-transmissibility.html b/quantify-transmissibility.html
index b3fc2642..076349e3 100644
--- a/quantify-transmissibility.html
+++ b/quantify-transmissibility.html
@@ -1060,7 +1060,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/quantify-transmissibility.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/read-delays.html b/read-delays.html
index 27e57bf3..68354a62 100644
--- a/read-delays.html
+++ b/read-delays.html
@@ -574,7 +574,7 @@ <h3 class="callout-title">Serial interval<a class="anchor" aria-label="anchor" h
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint1" aria-expanded="false" aria-controls="collapseHint1">
   <h4 class="accordion-header" id="headingHint1"> Give me a hint </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
 <div class="accordion-body">
 <p>The peak of each curve can inform you about the location of the mean
 of each distribution. The larger the mean, the larger the serial
@@ -588,7 +588,7 @@ <h4 class="accordion-header" id="headingHint1"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Which one would be harder to control?</p>
 <ul><li>COVID-19</li>
@@ -816,7 +816,7 @@ <h3 class="callout-title">Ebola’s incubation periods<a class="anchor" aria-lab
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint2" aria-expanded="false" aria-controls="collapseHint2">
   <h4 class="accordion-header" id="headingHint2"> Give me a hint </h4>
 </button>
-<div id="collapseHint2" class="accordion-collapse collapse" aria-labelledby="headingHint2" data-bs-parent="#accordionHint2">
+<div id="collapseHint2" class="accordion-collapse collapse" data-bs-parent="#accordionHint2" aria-labelledby="headingHint2">
 <div class="accordion-body">
 <p>The <code>{epiparameter}</code> combo of <code>epidist_db()</code>
 plus <code>list_distributions()</code> list all the entries by:</p>
@@ -834,7 +834,7 @@ <h4 class="accordion-header" id="headingHint2"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb16">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1015,7 +1015,7 @@ <h3 class="callout-title">Ebola’s incubation period<a class="anchor" aria-labe
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint3" aria-expanded="false" aria-controls="collapseHint3">
   <h4 class="accordion-header" id="headingHint3"> Give me a hint </h4>
 </button>
-<div id="collapseHint3" class="accordion-collapse collapse" aria-labelledby="headingHint3" data-bs-parent="#accordionHint3">
+<div id="collapseHint3" class="accordion-collapse collapse" data-bs-parent="#accordionHint3" aria-labelledby="headingHint3">
 <div class="accordion-body">
 <p>The <code>{epiparameter}</code> combo of <code>epidist_db()</code>
 plus <code>list_distributions()</code> list all the entries by:</p>
@@ -1043,7 +1043,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb28">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1106,7 +1106,7 @@ <h3 class="callout-title">How to get the <code>sd</code> and other
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint4" aria-expanded="false" aria-controls="collapseHint4">
   <h4 class="accordion-header" id="headingHint4"> Give me a hint </h4>
 </button>
-<div id="collapseHint4" class="accordion-collapse collapse" aria-labelledby="headingHint4" data-bs-parent="#accordionHint4">
+<div id="collapseHint4" class="accordion-collapse collapse" data-bs-parent="#accordionHint4" aria-labelledby="headingHint4">
 <div class="accordion-body">
 <p>Use the <code>$</code> operator plus the <kbd>tab</kbd> keyboard
 button to explore them as an expandable list:</p>
@@ -1126,7 +1126,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb32">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1189,7 +1189,7 @@ <h3 class="callout-title">Ebola’s severity parameter<a class="anchor" aria-lab
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint5" aria-expanded="false" aria-controls="collapseHint5">
   <h4 class="accordion-header" id="headingHint5"> Give me a hint </h4>
 </button>
-<div id="collapseHint5" class="accordion-collapse collapse" aria-labelledby="headingHint5" data-bs-parent="#accordionHint5">
+<div id="collapseHint5" class="accordion-collapse collapse" data-bs-parent="#accordionHint5" aria-labelledby="headingHint5">
 <div class="accordion-body">
 <p>An informative delay measures the time from symptom onset to recovery
 or death.</p>
@@ -1202,7 +1202,7 @@ <h4 class="accordion-header" id="headingHint5"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb35">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1284,7 +1284,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Parameterised entries have an Inference method </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>As detailed in <code>?is_parameterised</code>, a parameterised
 distribution is the entry that has a probability distribution associated
@@ -1389,7 +1389,7 @@ <h3 class="callout-title">The distribution Zoo<a class="anchor" aria-label="anch
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler2" aria-expanded="false" aria-controls="collapseSpoiler2">
   <h3 class="accordion-header" id="headingSpoiler2">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Functions for the Normal distribution </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>If you need it, read in detail about the <a href="https://sakai.unc.edu/access/content/group/3d1eb92e-7848-4f55-90c3-7c72a54e7e43/public/docs/lectures/lecture13.htm#probfunc" class="external-link">R
 probability functions for the normal distribution</a>, each of its
@@ -1493,7 +1493,7 @@ <h3 class="callout-title">Window for contact tracing and the Serial interval<a c
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint6" aria-expanded="false" aria-controls="collapseHint6">
   <h4 class="accordion-header" id="headingHint6"> Give me a hint </h4>
 </button>
-<div id="collapseHint6" class="accordion-collapse collapse" aria-labelledby="headingHint6" data-bs-parent="#accordionHint6">
+<div id="collapseHint6" class="accordion-collapse collapse" data-bs-parent="#accordionHint6" aria-labelledby="headingHint6">
 <div class="accordion-body">
 <p>In Figure 5 from the <a href="https://sakai.unc.edu/access/content/group/3d1eb92e-7848-4f55-90c3-7c72a54e7e43/public/docs/lectures/lecture13.htm#probfunc" class="external-link">R
 probability functions for the normal distribution</a>, the shadowed
@@ -1508,7 +1508,7 @@ <h4 class="accordion-header" id="headingHint6"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1537,7 +1537,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> What if </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>If we exchange the question between days and cumulative probability
 to:</p>
@@ -1650,7 +1650,7 @@ <h3 class="callout-title">Lenght of quarantine and Incubation period<a class="an
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint7" aria-expanded="false" aria-controls="collapseHint7">
   <h4 class="accordion-header" id="headingHint7"> Give me a hint </h4>
 </button>
-<div id="collapseHint7" class="accordion-collapse collapse" aria-labelledby="headingHint7" data-bs-parent="#accordionHint7">
+<div id="collapseHint7" class="accordion-collapse collapse" data-bs-parent="#accordionHint7" aria-labelledby="headingHint7">
 <div class="accordion-body">
 <p>What delay distribution measures the time between infection and the
 onset of symptoms?</p>
@@ -1685,7 +1685,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1714,7 +1714,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> how to create a distribution plot? </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <p>From a maximum value with <code>$prob_dist$q()</code>, we can create
 a sequence of quantile values as a numeric vector and map density values
@@ -1829,7 +1829,7 @@ <h3 class="callout-title">Ebola’s effective reproduction number<a class="ancho
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint8" aria-expanded="false" aria-controls="collapseHint8">
   <h4 class="accordion-header" id="headingHint8"> Give me a hint </h4>
 </button>
-<div id="collapseHint8" class="accordion-collapse collapse" aria-labelledby="headingHint8" data-bs-parent="#accordionHint8">
+<div id="collapseHint8" class="accordion-collapse collapse" data-bs-parent="#accordionHint8" aria-labelledby="headingHint8">
 <div class="accordion-body">
 <p>To calculate the <span class="math inline">\(R_t\)</span>, we
 need:</p>
@@ -1849,7 +1849,7 @@ <h4 class="accordion-header" id="headingHint8"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10"> Show me the solution </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb69">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1949,7 +1949,7 @@ <h3 class="callout-title">Reuse an Incubation period for COVID-19<a class="ancho
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint9" aria-expanded="false" aria-controls="collapseHint9">
   <h4 class="accordion-header" id="headingHint9"> Give me a hint </h4>
 </button>
-<div id="collapseHint9" class="accordion-collapse collapse" aria-labelledby="headingHint9" data-bs-parent="#accordionHint9">
+<div id="collapseHint9" class="accordion-collapse collapse" data-bs-parent="#accordionHint9" aria-labelledby="headingHint9">
 <div class="accordion-body">
 <p>The <code>delays</code> argument and the <code>delay_opts()</code>
 helper function are analogous to the <code>generation_time</code>
@@ -1981,7 +1981,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11"> Show me the solution </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb71">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2029,7 +2029,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12"> How much has it changed? </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <p>After adding the incubation period, discuss:</p>
 <ul><li>Does the retrospective trend of forecast change?</li>
@@ -2061,7 +2061,7 @@ <h3 class="callout-title">Ebola’s effective reproduction number was adjusted b
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint10" aria-expanded="false" aria-controls="collapseHint10">
   <h4 class="accordion-header" id="headingHint10"> Give me a hint </h4>
 </button>
-<div id="collapseHint10" class="accordion-collapse collapse" aria-labelledby="headingHint10" data-bs-parent="#accordionHint10">
+<div id="collapseHint10" class="accordion-collapse collapse" data-bs-parent="#accordionHint10" aria-labelledby="headingHint10">
 <div class="accordion-body">
 <p>We can use two complementary delay distributions to estimate the
 <span class="math inline">\(R_t\)</span> at time <span class="math inline">\(t\)</span>.</p>
@@ -2074,7 +2074,7 @@ <h4 class="accordion-header" id="headingHint10"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13"> Show me the solution </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb72">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2161,7 +2161,7 @@ <h3 class="callout-title">Extract parameters<a class="anchor" aria-label="anchor
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint11" aria-expanded="false" aria-controls="collapseHint11">
   <h4 class="accordion-header" id="headingHint11"> Give me a hint </h4>
 </button>
-<div id="collapseHint11" class="accordion-collapse collapse" aria-labelledby="headingHint11" data-bs-parent="#accordionHint11">
+<div id="collapseHint11" class="accordion-collapse collapse" data-bs-parent="#accordionHint11" aria-labelledby="headingHint11">
 <div class="accordion-body">
 <p>How to get the mean and standard deviation from a generation time
 with median and quantiles as summary statistics?</p>
@@ -2178,7 +2178,7 @@ <h4 class="accordion-header" id="headingHint11"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14"> Show me the solution </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <!-- https://github.com/epiverse-trace/epiparameter/issues/114 -->
 <div class="codewrapper sourceCode" id="cb73">
@@ -2314,7 +2314,7 @@ <h3 class="callout-title">How to estimate delay distributions for Disease X?<a c
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler3" aria-expanded="false" aria-controls="collapseSpoiler3">
   <h3 class="accordion-header" id="headingSpoiler3">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> How to assess for pre-symptomatic infection? </h3>
 </button>
-<div id="collapseSpoiler3" class="accordion-collapse collapse" aria-labelledby="headingSpoiler3" data-bs-parent="#accordionSpoiler3">
+<div id="collapseSpoiler3" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler3" aria-labelledby="headingSpoiler3">
 <div class="accordion-body">
 <p>The lengths of the Serial interval and Incubation period determine
 the type of disease transmission.</p>
@@ -2368,7 +2368,7 @@ <h3 class="callout-title">What type of transmission?<a class="anchor" aria-label
 <button class="accordion-button hint-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHint12" aria-expanded="false" aria-controls="collapseHint12">
   <h4 class="accordion-header" id="headingHint12"> Give me a hint </h4>
 </button>
-<div id="collapseHint12" class="accordion-collapse collapse" aria-labelledby="headingHint12" data-bs-parent="#accordionHint12">
+<div id="collapseHint12" class="accordion-collapse collapse" data-bs-parent="#accordionHint12" aria-labelledby="headingHint12">
 <div class="accordion-body">
 <p>For types of transmission, we refer to infections with symptomatic or
 pre-symptomatic transmission.</p>
@@ -2384,7 +2384,7 @@ <h4 class="accordion-header" id="headingHint12"> Give me a hint </h4>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15"> Show me the solution </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
 <div class="accordion-body">
 <p>In this solution we use <code>purrr::pluck()</code> to extract
 elements within the <code>summary_stats</code> object which is of class
@@ -2560,7 +2560,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/read-delays.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 34b48b48..2c51bfe9 100644
--- a/reference.html
+++ b/reference.html
@@ -622,7 +622,7 @@ <h1>Glossary of Terms: Epiverse-TRACE</h1>
   "identifier": "https://epiverse-trace.github.io/tutorials/reference.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/simulating-transmission.html b/simulating-transmission.html
index 6e85fe3e..58393147 100644
--- a/simulating-transmission.html
+++ b/simulating-transmission.html
@@ -978,7 +978,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://epiverse-trace.github.io/tutorials/simulating-transmission.html",
   "dateCreated": "2024-02-06",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>