Feature Selection Techniques — Roadmap Step & Resources

Filter, wrapper and embedded methods for choosing which features actually matter

Before this step

Why might removing irrelevant features improve a model even if it doesn't hurt accuracy on training data?

Feature selection (Article) — The official scikit-learn documentation on feature selection techniques.
Feature Selection Explained (Video) — A practical walkthrough of filter, wrapper and embedded feature selection methods.
Ridge and Lasso Regression in Python — Analytics Vidhya (feature selection module index) (Article) — Ridge and Lasso Regression in Python — Analytics Vidhya (feature selection module index) — selected for the syllabus topic Feature Selection.
Feature Selection & Dimensionality Reduction with PCA & LDA — Technetzz (Article) — Feature Selection & Dimensionality Reduction with PCA & LDA — Technetzz — selected for the syllabus topic Feature Selection.