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Back to the lesson libraryMECHANISM · 12 MIN
M07.7 CONNECT THE MECHANISM

Control complexity without peeking at the answer

Give a model ten knobs and twenty examples, and it will fit noise. Charge it for big weights, let cross-validation set the price, and keep one test for the end.

LESSON OVERVIEW12 min lesson

Lesson overview

Give a model ten knobs and twenty examples, and it will fit noise. Charge it for big weights, let cross-validation set the price, and keep one test for the end.

What you’ll explore

  • Regularization, feature engineering, cross-validation, and hyperparameter tuning shape generalization and must remain inside a clearly defined development boundary.
GO TO THE SOURCE

Original explanations, connected to the research.

An Introduction to Statistical Learning — authors’ materialsTibshirani (1996), Regression Shrinkage and Selection via the Lasso
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