Forecast Errors: Error, Absolute Error & Squared Error
This lesson is part of the course
In this lesson
You calculate the three building blocks of every accuracy metric for one SKU of Fernhill Home Care, then the MAE, and see why the plain average error is not an accuracy measure.
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Lessons in this course
- Forecast Errors: Error, Absolute Error & Squared Error Locked
- MAPE vs WAPE vs sMAPE: Why MAPE Breaks on Small Actuals Locked
- Forecast Bias, Bias % & the Tracking Signal (with a Warning Rule) Locked
- MAE & RMSE by SKU and by Product Family: Accuracy Depends on the Level Locked
- The Naive Benchmark & Forecast Value Added (FVA) Locked
- FVA Stairstep: Statistical Forecast vs Planner Override vs Consensus Locked
- Accuracy by Segment: ABC/XYZ Classes & Realistic Targets Locked
- Forecast Accuracy Dashboard: Accuracy %, FVA, Bias & a Trend Chart Locked