Talk a bit about the course statistics graphs

book.org

@@ -555,6 +555,20 @@ While working on a programming assignment, students will also see a clear warnin
 Courses also provide an iCalendar link\nbsp{}[cite:@stenersonInternetCalendaringScheduling1998] that students can use to publish course deadlines in their personal calendar application.
 
 Because Dodona logs all student submissions and their metadata, including feedback and grades from automated and manual assessment, we use that data to integrate reports and learning analytics in the course page\nbsp{}[cite:@fergusonLearningAnalyticsDrivers2012].
+This includes heatmaps (Figure\nbsp{}[[fig:whatcourseheatmap]]) and punch cards (Figure\nbsp{}[[fig:whatcoursepunchcard]]) of user activity, graphs showing class progress (Figure\nbsp{}[[fig:whatcourseprogress]]), ...
+
+#+CAPTION: Heatmap showing on which days in the semester students are more active or less active.
+#+NAME: fig:whatcourseheatmap
+[[./images/whatcourseheatmap.png]]
+
+#+CAPTION: Punchcard showing when during the week students are working on their exercises.
+#+NAME: fig:whatcoursepunchcard
+[[./images/whatcoursepunchcard.png]]
+
+#+CAPTION: Graph showing the percentage of students that correctly solved the exercises in a certain series over time.
+#+NAME: fig:whatcourseprogress
+[[./images/whatcourseprogress.png]]
+
 We also provide export wizards that enable the extraction of raw and aggregated data in CSV format for downstream processing and educational data mining\nbsp{}[cite:@romeroEducationalDataMining2010; @bakerStateEducationalData2009].
 This allows teachers to better understand student behaviour, progress and knowledge, and might give deeper insight into the underlying factors that contribute to student actions\nbsp{}[cite:@ihantolaReviewRecentSystems2010].
 Understanding, knowledge and insights that can be used to make informed decisions about courses and their pedagogy, increase student engagement, and identify at-risk students\nbsp{}(see\nbsp{}Chapter\nbsp{}[[#chap:passfail]]).