Weighted moving averages

A useful forecast starts with a clear question and a trustworthy history. This short lesson explains weighted moving averages in terms a planner can apply.

Practitioner lens

Before applying weighted moving averages, state the unit, time bucket, planning level and horizon. Forecasts with different definitions are not comparable, even when their charts look similar.

First experiment

Choose a horizon and aggregation level that match the decision, then evaluate a simple baseline first.

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