tech talks

Talks @ Coursera – Counting at Scale with Scalding and Algebird
23 October 2014
| By Daniel Chia
Data plays an important role at Coursera. We use data to improve our learner experience, gather insights in MOOC pedagogy, and provide instructors insight into their courses via our instructor dashboards. The data infrastructure team at Coursera seeks to provide...
Talks @ Coursera - A/B Testing @ Internet Scale
11 September 2014
| By Roshan Sumbaly
Being a data driven company, we at Coursera appreciate the importance of being able to A/B test various hypotheses. At any given time, we’ll be running various tests on the site and analyzing results to pick the winning variants. These...