Added the following analyzers: StudentsActive, OverallGradeDistribution, StudentsDropoffPerDay.

lms/djangoapps/instructor/views.py

@@ -274,36 +274,52 @@ def instructor_dashboard(request, course_id):
 
     analytics_json = None
     students_enrolled_json = None
+    students_active_json = None
     daily_activity_json = None
     students_daily_activity_json = None
     students_per_problem_correct_json = None
+    overall_grade_distribution = None
+    dropoff_per_day = None
 
     if idash_mode == 'Analytics':
-        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsPerHomework&course_id=%s" % course_id)
-        analytics_json = req.json
 
-        # get the day 
+        # get current day
         to_day = datetime.today().date()
         from_day = to_day - timedelta(days=7)
 
-        # number of students active in the past 7 days (including current day)
-        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsDailyActivity&course_id=%s&from=%s" % (course_id,from_day))
-        students_daily_activity_json = req.json
+        # number of students enrolled in this course
+        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsEnrolled&course_id=%s" % course_id)
+        students_enrolled_json = req.json
+
+        # number of students active in the past 7 days (including current day), i.e. with at least one activity for the period
+        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsActive&course_id=%s&from=%s" % (course_id,from_day))
+        students_active_json = req.json
 
         # number of students per problem who have problem graded correct
         req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsPerProblemCorrect&course_id=%s&from=%s" % (course_id,from_day))
         students_per_problem_correct_json = req.json
 
-        # number of students enrolled in this course
-        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsEnrolled&course_id=%s" % course_id)
-        students_enrolled_json = req.json
+        # grade distribution for the course
+        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=OverallGradeDistribution&course_id=%s" % (course_id,))
+        overall_grade_distribution = req.json
+
+        # number of students distribution drop off per day
+        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsDropoffPerDay&course_id=%s&from=%s" % (course_id,from_day))
+        dropoff_per_day = req.json
 
-        # number of students active in the past 7 days (including current day) --- online version!
+        # the following is ++incorrect++ use of studentmodule table
+        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsDailyActivity&course_id=%s&from=%s" % (course_id,from_day))
+        students_daily_activity_json = req.json
+
+        # number of students active in the past 7 days (including current day) --- online version! experimental
         to_day = datetime.today().date()
         from_day = to_day - timedelta(days=7)
         req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=DailyActivityAnalyzer&course_id=%s&from=%s&to=%s" % (course_id,from_day, to_day))
         daily_activity_json = req.json
 
+        req = requests.get(settings.ANALYTICS_SERVER_URL + "get_analytics?aname=StudentsPerHomework&course_id=%s" % course_id)
+        analytics_json = req.json
+
     #----------------------------------------
     # context for rendering
     context = {'course': course,
@@ -320,9 +336,12 @@ def instructor_dashboard(request, course_id):
                'djangopid' : os.getpid(),
                'analytics_json' : analytics_json,
                'students_enrolled_json' : students_enrolled_json,
+               'students_active_json' : students_active_json,
                'daily_activity_json' : daily_activity_json,
                'students_daily_activity_json' : students_daily_activity_json,
                'students_per_problem_correct_json' : students_per_problem_correct_json,
+               'overall_grade_distribution' : overall_grade_distribution,
+               'dropoff_per_day' : dropoff_per_day,
                }
 
     return render_to_response('courseware/instructor_dashboard.html', context)

lms/templates/courseware/instructor_dashboard.html

@@ -176,14 +176,19 @@ function goto( mode)
 ##----------------------------------------------------------------------------- 
 %if modeflag.get('Analytics'):
 
-   <p>Number of students enrolled: ${students_enrolled_json['data']['nb_students_enrolled']}
+   <p>
+     Number of students enrolled: ${students_enrolled_json['data']['nb_students_enrolled']}
+   </p>
+   <p>
+     Number of active students for the past 7 days: ${students_active_json['data']['nb_students_active']}
    </p>
 
    <p>
-     <h2>Daily activity for the past 7 days:</h2>
+     <p>Number of active students per problems who have this problem graded as correct:</p>
+
      <table class="stat_table">
-     <tr><th>Day</td><th>Number of students</td></tr>
-     % for k,v in students_daily_activity_json['data'].items():
+     <tr><th>Problem</td><th>Number of students</td></tr>
+     % for k,v in students_per_problem_correct_json['data'].items():
      <tr>
      <td>${k}</td> <td>${v}</td>
      </tr>
@@ -192,19 +197,38 @@ function goto( mode)
    </p>
 
    <p>
-     <h2>Number of students with correct problems for the past 7 days:</h2>
+     <p>Grade distribution:</p>
+
+     <div class="divScroll">
      <table class="stat_table">
-     <tr><th>Problem</td><th>Number of students</td></tr>
-     % for k,v in students_per_problem_correct_json['data'].items():
+     <tr><th>Grade</th><th>Number of students</th></tr>
+     % for k,v in overall_grade_distribution['data'].items():
+     <tr>
+     <td>${k}</td> <td>${v}</td>
+     </tr>
+     % endfor
+     </table>
+     </div>
+
+   </p>
+
+   <p>
+     <p>Number of students who dropped off per day before becoming inactive:</p>
+
+     <div class="divScroll">
+     <table class="stat_table">
+     <tr><th>Day</th><th>Number of students</th></tr>
+     % for k,v in dropoff_per_day['data'].items():
      <tr>
      <td>${k}</td> <td>${v}</td>
      </tr>
      % endfor
      </table>
+     </div>
    </p>
 
    <p>
-     <h2>Students who attempted at least one exercise:</h2>
+     <p>Students who attempted at least one exercise:</p>
 
      <div class="divScroll">
      <table class="stat_table">
@@ -231,6 +255,17 @@ function goto( mode)
      </table>
    </p>
 
+   <p>
+     <h2>Daily activity for the past 7 days:</h2>
+     <table class="stat_table">
+     <tr><th>Day</td><th>Number of students</td></tr>
+     % for k,v in students_daily_activity_json['data'].items():
+     <tr>
+     <td>${k}</td> <td>${v}</td>
+     </tr>
+     % endfor
+     </table>
+   </p>
 
 %endif