Find the one number that predicts long-term retention

The metric, the threshold, the lift, and the cohort chart.
You have an "aha moment" gut feeling. You do not have the metric that proves it or the threshold that matters.
Runs cohort analysis across candidate events and surfaces the activation moment most correlated with week-4 retention.
6 guided steps from start to artifact.
Every event a new user could hit.
Users segmented by event in week 1.
Per candidate event and threshold.
Best lift, lowest variance, highest coverage.
The "X within Y days" number.
Cohort retention chart, ready to share.
Everything you take home.
The metric, the threshold, the lift, and the cohort chart.