fix

easystats · May 23, 2024 · a8b05b6 · a8b05b6
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diff --git a/README.Rmd b/README.Rmd
@@ -108,7 +108,7 @@ library(modelbased)
 model <- lm(Sepal.Length ~ Petal.Length * Petal.Width, data = iris)
 
 # 2. Create a visualisation matrix with expected Z-score values of Petal.Width
-vizdata <- modelbased::visualisation_matrix(model, at = c("Petal.Length", "Petal.Width = c(-1, 0, 1)"))
+vizdata <- modelbased::visualisation_matrix(model, by = c("Petal.Length", "Petal.Width = c(-1, 0, 1)"))
 
 # 3. Revert from expected SD to actual values
 vizdata <- unstandardize(vizdata, select = "Petal.Width")

diff --git a/README.md b/README.md
@@ -110,7 +110,7 @@ library(modelbased)
 model <- lm(Sepal.Length ~ Petal.Length * Petal.Width, data = iris)
 
 # 2. Create a visualisation matrix with expected Z-score values of Petal.Width
-vizdata <- modelbased::visualisation_matrix(model, at = c("Petal.Length", "Petal.Width = c(-1, 0, 1)"))
+vizdata <- modelbased::visualisation_matrix(model, by = c("Petal.Length", "Petal.Width = c(-1, 0, 1)"))
 
 # 3. Revert from expected SD to actual values
 vizdata <- unstandardize(vizdata, select = "Petal.Width")