Committing the modifications of finding correlations between student behavior components.

.

FirstApp/api.py

@@ -1167,6 +1167,7 @@ class GetLectureActivityCorrelations(APIView):
             activity_correlations = ar.get_activity_correlations(individual_lec_activities, lec_recorded_activity_data)
 
 
+
         return Response({
             "correlations": activity_correlations
         })

FirstApp/templates/FirstApp/Home.html

@@ -1240,7 +1240,7 @@
             function displayActivityEmotionCorrelations(correlations) {
 
                 let htmlString = "";
-
+                if (correlations.length !== 0) {
                     //create the html content for the activity correlation table
                     for (let i = 0; i < correlations.length; i++) {
                         let corr = correlations[i];
@@ -1275,6 +1275,14 @@
                         htmlString += "</tr>";
 
                     }
+                } else {
+                    htmlString += "<tr>";
+                    htmlString += "<td colspan='3'>";
+                    htmlString += "<span class='font-italic'>No correlations were found</span>";
+                    htmlString += "</td>";
+                    htmlString += "</tr>";
+                }
+
 
                 //append to the <tbody>
                 $('#student_activity_emotion_corr_tbody').append(htmlString);
@@ -1293,6 +1301,7 @@
 
                 let htmlString = "";
 
+                if (correlations.length !== 0) {
                     //create the html content for the activity correlation table
                     for (let i = 0; i < correlations.length; i++) {
                         let corr = correlations[i];
@@ -1327,6 +1336,13 @@
                         htmlString += "</tr>";
 
                     }
+                } else {
+                    htmlString += "<tr>";
+                    htmlString += "<td colspan='3'>";
+                    htmlString += "<span class='font-italic'>No correlations were found</span>";
+                    htmlString += "</td>";
+                    htmlString += "</tr>";
+                }
 
                 //append to the <tbody>
                 $('#student_activity_gaze_corr_tbody').append(htmlString);
@@ -1346,6 +1362,7 @@
 
                 let htmlString = "";
 
+                if (correlations.length !== 0) {
                     //create the html content for the activity correlation table
                     for (let i = 0; i < correlations.length; i++) {
                         let corr = correlations[i];
@@ -1380,6 +1397,14 @@
                         htmlString += "</tr>";
 
                     }
+                } else {
+                    htmlString += "<tr>";
+                    htmlString += "<td colspan='3'>";
+                    htmlString += "<span class='font-italic'>No correlations were found</span>";
+                    htmlString += "</td>";
+                    htmlString += "</tr>";
+                }
+
 
                 //append to the <tbody>
                 $('#student_emotion_gaze_corr_tbody').append(htmlString);