diff --git a/R/makeExamplePopulation.R b/R/makeExamplePopulation.R
index 4b99cb6..554dd9f 100644
--- a/R/makeExamplePopulation.R
+++ b/R/makeExamplePopulation.R
@@ -58,8 +58,15 @@ makeExamplePopulation<-function(samplePercent, numPlans, do.steps=c(T,T,T,T,T,T,
         'vista_2012_18_extracted_group_weekday_',
         'vista_2012_18_extracted_trips_weekday_'
       )
-      demand_setup('../output/1.setup', 
-                   '../data/VISTA_12_18_CSV.zip.dir/T_VISTA1218_V1.csv')
+      demand_setup(
+        '../output/1.setup', 
+        '../data/VISTA_12_18_CSV.zip.dir/T_VISTA1218_V1.csv',
+        '../output/1.setup/vista_2012_18_extracted_activities_weekday.csv.gz',
+        '../output/1.setup/vista_2012_18_extracted_activities_weekend.csv.gz',
+        '../output/1.setup/vista_2012_18_extracted_activities_weekday_time_bins.csv.gz',
+        '../output/1.setup/vista_2012_18_extracted_activities_weekend_time_bins.csv.gz',
+        '../output/1.setup/vista_2012_18_extracted_activities_weekday_end_dist_for_start_bins.csv.gz'
+      )
       locations_setup(
         '../output/1.setup', 
         '../data/distanceMatrix.rds', 
diff --git a/R/setup.R b/R/setup.R
index b5bdee9..2cb2a1c 100644
--- a/R/setup.R
+++ b/R/setup.R
@@ -1,13 +1,23 @@
 # Function to pre-process some data; need only be run once
-demand_setup<-function(setupDir, vista18TripsCsv) {
+demand_setup<-function(setupDir, 
+                       vista18TripsCsv,
+                       out_weekday_activities_csv_gz,
+                       out_weekend_activities_csv_gz,
+                       out_weekday_activities_time_bins_csv_gz,
+                       out_weekend_activities_time_bins_csv_gz,
+                       out_csv
+                       ) {
   # example parameter values
   # setupDir <- '../output/1.setup'
   # vista18TripsCsv <- '../data/VISTA_12_18_CSV.zip.dir/T_VISTA1218_V1.csv'
+  # out_weekday_activities_csv_gz <- paste0(setupDir,'/vista_2012_18_extracted_activities_weekday.csv.gz')
+  # out_weekend_activities_csv_gz <- paste0(setupDir,'/vista_2012_18_extracted_activities_weekend.csv.gz')
+  # out_weekday_activities_time_bins_csv_gz<-paste0(setupDir,'/vista_2012_18_extracted_activities_weekday_time_bins.csv.gz')
+  # out_weekend_activities_time_bins_csv_gz<-paste0(setupDir,'/vista_2012_18_extracted_activities_weekend_time_bins.csv.gz')
+  # out_csv <- paste0(setupDir,'/vista_2012_18_extracted_activities_weekday_end_dist_for_start_bins.csv.gz')
   
   # Extract VISTA activities and save separately into weekday and weekend activities
   vista_csv <- vista18TripsCsv
-  out_weekday_activities_csv_gz <- paste0(setupDir,'/vista_2012_18_extracted_activities_weekday.csv.gz')
-  out_weekend_activities_csv_gz <- paste0(setupDir,'/vista_2012_18_extracted_activities_weekend.csv.gz')
   echo(paste0('Extracting VISTA weekday/end activities from ', vista_csv, ' (can take a while)\n'))
   extract_and_write_activities_from(vista_csv, out_weekday_activities_csv_gz, out_weekend_activities_csv_gz)
   echo(paste0('Wrote ', out_weekday_activities_csv_gz, ' and ', out_weekend_activities_csv_gz,'\n'))
@@ -22,8 +32,6 @@ demand_setup<-function(setupDir, vista18TripsCsv) {
   # Write out the activity probabilities by time bins
   binsize<-48 # 30-min bins
   echo(paste0('Extracting VISTA weekday/end activities times into ',binsize,' bins (can take a while)\n'))
-  out_weekday_activities_time_bins_csv_gz<-paste0(setupDir,'/vista_2012_18_extracted_activities_weekday_time_bins.csv.gz')
-  out_weekend_activities_time_bins_csv_gz<-paste0(setupDir,'/vista_2012_18_extracted_activities_weekend_time_bins.csv.gz')
   in_activities_csv_gz<-out_weekday_activities_csv_gz
   out_csv_gz<-out_weekday_activities_time_bins_csv_gz
   extract_and_write_activities_time_bins(in_activities_csv_gz, out_csv_gz, binsize)
@@ -34,7 +42,6 @@ demand_setup<-function(setupDir, vista18TripsCsv) {
   
   # Write out the activity end time probabilities for each start time bin
   in_activities_csv_gz<-out_weekday_activities_csv_gz
-  out_csv <- paste0(setupDir,'/vista_2012_18_extracted_activities_weekday_end_dist_for_start_bins.csv.gz')
   echo(paste0('Extracting VISTA weekday activities end times distributions for each start time bin into ',out_csv,'\n'))
   extract_and_write_activities_end_time_dist_by_start_bins(in_activities_csv_gz, out_csv, binsize)
     
diff --git a/tests/testthat/testSetup.R b/tests/testthat/testSetup.R
index cbe0103..9c0e334 100644
--- a/tests/testthat/testSetup.R
+++ b/tests/testthat/testSetup.R
@@ -7,7 +7,15 @@ test_that("VISTA 2012-18 trips pre-processing works", {
   outdir<-'../actual/1.setup'
   dir.create(outdir, showWarnings = FALSE, recursive=TRUE)
   capture_output(
-    demand_setup(outdir, '../data/T_VISTA1218_V1.sample.csv')
+    demand_setup(
+      outdir, 
+      '../data/T_VISTA1218_V1.sample.csv',
+      '../actual/1.setup/vista_2012_18_extracted_activities_weekday.csv.gz',
+      '../actual/1.setup/vista_2012_18_extracted_activities_weekend.csv.gz',
+      '../actual/1.setup/vista_2012_18_extracted_activities_weekday_time_bins.csv.gz',
+      '../actual/1.setup/vista_2012_18_extracted_activities_weekend_time_bins.csv.gz',
+      '../actual/1.setup/vista_2012_18_extracted_activities_weekday_end_dist_for_start_bins.csv.gz'
+    )
   )
 
   files<-c(