Baselines First: Naive, Seasonal Naive & MAE, RMSE, MAPE
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Lessons in this course
- Lag & Rolling-Mean Features: Turning a Series into a TableFree
- Calendar Features: Weekday Dummies & a Holiday Flag Pro
- Train/Test Split by Date: No Peeking into the Future Pro
- Baselines First: Naive, Seasonal Naive & MAE, RMSE, MAPE Pro
- Linear Regression on Lags with LINEST Pro
- Predict the Test Set & Compare Errors (with a Chart) Pro
- Walk-Forward Validation: An Expanding Window, Step by Step Pro
- Feature Importance by Drop-One: Which Feature Earns Its Place? (with a Chart) Pro