diff --git a/app.R b/app.R
index 6519587..3be86e5 100644
--- a/app.R
+++ b/app.R
@@ -69,19 +69,9 @@ comparisonGraph = function(emmeansObj, prefix="hypothèse", groupe=T){
 
 ui <- fluidPage(
   useShinyjs(),
-  
-  
-# Ici on empêche l'utilisateur de pouvoir rafraîchir la page accidentellement  
-  tags$script('
-    window.onbeforeunload = function() {
-      return "Voulez-vous vraiment quitter cette page ?";
-    };
-  '),
-  
-
   #theme = shinytheme("readable"),
   navbarPage(
-    "Stat Plateform",
+    "StatPlat",
     tabPanel("Accueil",
       fluidRow(
         column(4,
@@ -173,15 +163,17 @@ ui <- fluidPage(
         fluidRow(
           column(4,
             wellPanel(
-              selectizeInput("khi2_cat","Choisir les variables",multiple = TRUE,choices = NULL),
+              selectizeInput("khi2_x","Choisir une variable",multiple = FALSE,choices = NULL),
+              selectizeInput("khi2_y","Choisir une autre variable",multiple = FALSE,choices = NULL),
               actionButton("khi2_button", "KHI2",class="btn-primary")
               )
             ),
           column(8,
             wellPanel(
-              style = 'overflow-x: scroll;height: 650px;',
-              DT::dataTableOutput("khi2_table"),
-              downloadButton("khi2_button_download", "Télécharger le tableau",class="btn-primary")
+              #style = 'overflow-x: scroll;height: 650px;',
+              #DT::dataTableOutput("khi2_table"),
+              verbatimTextOutput("khi2_result")
+              #downloadButton("khi2_button_download", "Télécharger le tableau",class="btn-primary")
               )
             )
           )
@@ -207,14 +199,7 @@ ui <- fluidPage(
             )
           )
         )
-     ),
-    tabPanel("Instructions", 
-      fluidRow(
-        column(8,
-          includeMarkdown("README.md")
-          )
-        )
-      ), 
+     ), 
     navbarMenu("Régressions",
       tabPanel("ACP",
         column(3,
@@ -267,7 +252,8 @@ server <- function(input, output, session) {
   })
   
 
-
+  # Partie permettant de fusionner les fichiers
+  observe({
     merged_data <- eventReactive(input$files, {
        # On lit la liste des fichiers et on les fusionne
       # Charger les données à partir des fichiers sélectionnés
@@ -397,10 +383,10 @@ server <- function(input, output, session) {
                         choices = colnames( merged_data_type() %>% select_if(function(x) is.numeric(x) || is.integer(x))))
       updateSelectInput(session, "var_explicatives_kw", 
                         choices = colnames( merged_data_type() %>% select_if(function(x) is.factor(x))))
-      updateSelectInput(session, "khi2_cat", 
+      updateSelectInput(session, "khi2_x", 
+                        choices = colnames( merged_data_type() %>% select_if(function(x) is.factor(x))))
+      updateSelectInput(session, "khi2_y", 
                         choices = colnames( merged_data_type() %>% select_if(function(x) is.factor(x))))
-      updateSelectInput(session, "khi2_num", 
-                        choices = colnames( merged_data_type() %>% select_if(function(x) is.numeric(x) || is.integer(x))))
     })
   
     #On utilise une fonction permettant d'obternir la liste des variables numériques
@@ -622,6 +608,17 @@ server <- function(input, output, session) {
     )
     
     
+    khi2_table_calc <- eventReactive(input$khi2_button,{
+      x <- input$khi2_x
+      y <- input$khi2_y
+      merged_data <- merged_data_type()
+      khi2_table <- table(merged_data[,x],merged_data[,y])
+      res <- chisq.test(khi2_table)
+      return(res)
+    })
+    
+    output$khi2_result <- renderPrint(khi2_table_calc())
+    
     
     anova_table <- eventReactive(input$anova_button,{
       tryCatch({
@@ -924,6 +921,7 @@ server <- function(input, output, session) {
     
     #output$pls_text <-  renderText({'print'})
     
+  })
   }
 
 shinyApp(ui, server)
\ No newline at end of file