What to bring to a cohort reading
A practical list for cohort analytics sittings in Petaling Jaya: frozen export, week 0 sentence, holiday notes, and the promotion log that touched those intake weeks.
Write from Level 7
Field notes
Notes on cohort analytics practice: week 0 labels, festive hollows in Malaysian calendars, and what a shrinking diagonal may claim.
These pieces come from sittings at Level 7, 28 Test Street, Petaling Jaya 00000. They are not product manuals.
What a shrinking diagonal is allowed to say
In cohort analytics, a fading diagonal shows fewer returners in later weeks. It does not, by itself, name a cause or a finished curve.
A hollow week on a Malaysian festive calendar
Hari Raya, Chinese New Year, and Deepavali weeks can empty a W1 cell without proving the app lost its returners. Cohort analytics needs the calendar beside the grid.
A hollow W1 during a festive week is not always a leak
Cohort analytics in Malaysia has to sit next to the public calendar. A quiet returner week around Hari Raya or CNY is often a calendar fact, not a product failure.
When first open and first purchase disagree on week 0
Cohort analytics falls apart when week 0 means first open for one row and first purchase for another. Pick one label before you compare acquisition weeks.
When first open and first purchase disagree on week 0
Cohort analytics falls apart when week 0 means first open for one person in the room and first purchase for another. Pick one label before comparing rows.