edx-solutions/edx-platform — pull request #272 by ziafazal (2014-10-17 12:29:49+00:00)
Title: added modules_completed metric

@mattdrayer @dsego added `modules_completed` metric to time series api. You can use `modules_completed` and `users_started` in this api to plot the participant activity graph. It would support MCKIN-2576.