Forecasting for service parts

Forecasting is a structured estimate for a defined decision, horizon and level of detail. This guide introduces forecasting for service parts and shows where it fits in a practical planning cycle.

Practitioner lens

Segment performance when assessing forecasting for service parts. Results for stable, high-volume items can hide poor performance for intermittent or newly launched products.

First experiment

Keep a time-based holdout. Do not shuffle observations when future periods must be predicted from the past.

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