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Feature Selection Recipes

Four copy-paste recipes for wrapper-based feature selection with GAFeatureSelectionCV.

Recipe	Problem	Time
High-Dimensional Feature Selection	100+ features	7 min
Two-Stage Select-Then-Tune	Feature selection + hyperparameter tuning	9 min
Custom Feature-Count Penalty Scorer	Balance features vs score	8 min
Leakage-Free CV Selection	Prevent data leakage	7 min

See Also

• All Recipes — full recipe index
• Feature Selection Tutorial — full walkthrough
• Feature Selection Methods Compared — when to use wrapper methods