Update app.R

app.R

@@ -179,15 +179,20 @@ ui <- fluidPage(
 server <- function(input, output) {
   
   # For the predictions dataset
+
+  # Path to the default file
+  default_file_path <- "./dataset_b.tsv"
+
   predictions <- reactive({
-    
-    if (is.null(input$file1))
-      return(NULL)
-    
-    inFile <- input$file1
-    dataset <- readr::read_delim(inFile$datapath,delim='\t')
+    # Use default file if no file is uploaded
+    file_path <- if (is.null(input$file1)) {
+      default_file_path
+    } else {
+      input$file1$datapath
+    }
+
+    dataset <- readr::read_delim(file_path, delim='\t')
     predict(model, dataset)
-    
   })
   
   # For the table