The Repeat-Purchase Triangle: Counting Active Customers, Not Orders
This lesson is part of the course
In this lesson
You flag each customer's first order in every month, build the triangle of active customers per cohort and month, and see how far order counts would overstate it.
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Lessons in this course
- First Purchase per Customer (MINIFS) and the Cohort Label Locked
- Cohort Size: New Customers per First-Purchase Month Locked
- Months Since First Purchase: Calendar Months, Not 30-Day Blocks Locked
- The Repeat-Purchase Triangle: Counting Active Customers, Not Orders Locked
- Retention % Triangle and a Heat Map Locked
- Revenue per Cohort and Cumulative Revenue per Customer Locked
- CAC Payback by Cohort: When Does Cumulative Margin Beat CAC? Locked
- Comparing Acquisition Channels' Cohorts Locked