How to Evaluate Time Series Forecasting Models: Baselines, MAPE & MSE

This lesson explains how to set baseline reference models, use MAPE and MSE as quantitative evaluation metrics, and demonstrates their application on quarterly EPS data and simulated random walks to reveal the limits of predictability in non‑stationary series.

MAPEMSEPython

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How to Evaluate Time Series Forecasting Models: Baselines, MAPE & MSE