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AIBrain

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# Cohort Analysis

Retention curves · churn detection · upgrade patterns

## Retention Triangle

≥80%40–80%<40%
Loading cohort data…

Reading this grid: Each row = one cohort (users who first activated in that week/month). Each column = periods since activation. Act. = activation period (always 100%). +1, +2… = 1 and 2 periods after activation. A cell is filled only when that cohort has been around long enough.