Regularization to Reduce Overfitting

MediumMachine Learning00:00

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Problem

Scenario

You are training a supervised learning model and notice that training performance is much better than validation performance. You want the model to generalize better to unseen data.

Question

How would you regularize a model to reduce overfitting?

What This Tests

Recognizing overfitting from train versus validation behavior
Choosing appropriate regularization methods for different model families
Using cross-validation to tune regularization strength
Explaining the bias-variance tradeoff clearly