Time_Wise and Time_Selwyn contain information of number of annotations subbmited in every hour.

Pages_Wise and Pages_Selwyn contain information of Page views and average view time in every page.

Annotations_Wise and Annotations_Selwyn contain students’ name of annotations and comment/question upvotes students gave/received.

Time spend peaked at about page 8.

This heatmap indicates that most commonts were posted between 5:25pm and 9:08pm on day 11 and 12.

the heatmap suggests that most comments are posted in the afternoon and evening on day 11 and 12.

according to "Score" Evgeniya Feoktistova, Roxy Ho, and Xin Qiu are the three best contributors.

according to "Score" Ailin Zhou, Collin Yu, Jiayin Zhang, and Xueyi Xu are the best contributors.

Students posted significantly more on "Selwyn" than "Wise". In "Selwyn" students were more active rating other students' comments than "Wise".