Promotion flags in demand history

A useful forecast starts with a clear question and a trustworthy history. This short lesson explains promotion flags in demand history in terms a planner can apply.

Practitioner lens

A forecast review of promotion flags in demand history should separate systematic bias from random error. The direction of misses can matter more to inventory decisions than a single accuracy score.

First experiment

State the units, time bucket and demand definition alongside every chart or score.

This is an original educational brief. It is a starting point for discussion, not a claim that one technique fits every supply chain.