Update app.R

app.R

@@ -309,41 +309,39 @@ server <- function(input, output, session) {
     }
     updateSelectInput(session, "factor", choices = factors, selected = factors[1])
   })
+
+  # perform computation function 
+  performComputation <- function() {
+  withProgress(message = "Retrieving results...", value = 0, {
+    incProgress(0.2, detail = "Looking up precomputed results...")
+    # Construct a human-readable label (as before)
+    if (input$case_type == "Average") {
+      label <- paste("Case=Average, Group=", input$respondent_group,
+                     ", Lambda=", input$lambda_input, sep="")
+      lam_char <- gsub("\\.", "PT", as.character(input$lambda_input))
+      filename <- paste0("Average_", input$respondent_group,
+                         "_lambda", lam_char, ".rds")
+    } else {
+      label <- paste("Case=Adversarial, Lambda=", input$lambda_input, sep="")
+      lam_char <- gsub("\\.", "PT", as.character(input$lambda_input))
+      filename <- paste0("Adversarial_lambda", lam_char, ".rds")
+    }
+    # Read the matching pre-computed .rds file from disk
+    file_path <- file.path("AppResults", filename)
+    Qoptimized <- readRDS(file_path)
+    # Store the loaded results in our reactive cache
+    cachedResults$data[[label]] <- Qoptimized
+    incProgress(0.8, detail = "Finishing up...")
+    # Update the choice list for previous results
+    updateSelectInput(session, "previousResults",
+                      choices = names(cachedResults$data),
+                      selected = label)
+  })
+}
   
   # Generate a new result and cache it
   # -- In app_ono.R, inside `server` definition --
-  observeEvent(input$compute, {
-    withProgress(message = "Retrieving results...", value = 0, {
-      incProgress(0.2, detail = "Looking up precomputed results...")
-      
-      # Construct a human-readable label (as before)
-      if (input$case_type == "Average") {
-        label <- paste("Case=Average, Group=", input$respondent_group,
-                       ", Lambda=", input$lambda_input, sep="")
-        lam_char <- gsub("\\.", "PT", as.character(input$lambda_input))
-        filename <- paste0("Average_", input$respondent_group,
-                           "_lambda", lam_char, ".rds")
-      } else {
-        label <- paste("Case=Adversarial, Lambda=", input$lambda_input, sep="")
-        lam_char <- gsub("\\.", "PT", as.character(input$lambda_input))
-        filename <- paste0("Adversarial_lambda", lam_char, ".rds")
-      }
-      
-      # Read the matching pre-computed .rds file from disk
-      file_path <- file.path("AppResults", filename)
-      Qoptimized <- readRDS(file_path)
-      
-      # Store the loaded results in our reactive cache
-      cachedResults$data[[label]] <- Qoptimized
-      
-      incProgress(0.8, detail = "Finishing up...")
-      
-      # Update the choice list for previous results
-      updateSelectInput(session, "previousResults", 
-                        choices = names(cachedResults$data),
-                        selected = label)
-    })
-  }, ignoreInit = TRUE)
+  observeEvent(input$compute, performComputation(), ignoreInit = FALSE)
   
   # Reactive to pick the result the user wants to display
   selectedResult <- reactive({