FPP3 Forecasting Explorer — Supply Chain Demand

Compare forecasting methods on supply chain demand data. Default scenario: electronics distributor with Q4 peaks. Adjust patterns, toggle models, and see which method wins. All calculations match fpp3 formulas.

Demand Pattern

Forecasting Models

Chart View

Best Model
vs Naive Improvement
Forecast Horizon
Models Compared

Advisory Panel

Excel vs fpp3 — Effort Comparison

Reference: Hyndman, R.J. & Athanasopoulos, G. (2021) Forecasting: Principles and Practice, 3rd ed., OTexts. Models: Naive (NAIVE), Seasonal Naive (SNAIVE), SES (ETS(A,N,N)), Holt's Linear (ETS(A,A,N)), Holt-Winters Additive (ETS(A,A,A)). Smoothing defaults: α=0.3, β=0.1, γ=0.3. MASE uses seasonal naive (m=12) as scaling denominator, consistent with fpp3 accuracy(). Decomposition is classical additive (12-period centered MA) — the blog post uses STL, so exact values differ. Default scenario: electronics distributor, 48 months, Q4 peaks.