We come to the hardest (and the most interesting) part of the AB-test analysis – retention rate. A lot of AB-tests done in the product ideally should convert to better retention.
In this lesson let’s add a D7 retention rate to the AB-test funnel. It should give us a foundation to add any number from the retention curve to our analysis.
The thing we’re trying to do isn’t that easy as it seems. So far we’ve been calculating retention rates for a cohort of users who signed up on the same day. Our AB-test cohorts have users who signed up during the...