What is the purpose of using regularization in model selection?

Practice Questions

Q1
What is the purpose of using regularization in model selection?
  1. To increase model complexity
  2. To prevent overfitting
  3. To improve feature selection
  4. To enhance data preprocessing

Questions & Step-by-Step Solutions

What is the purpose of using regularization in model selection?
  • Step 1: Understand that when we create a model, we want it to learn from the data.
  • Step 2: Realize that sometimes a model can learn too much from the training data, which is called overfitting.
  • Step 3: Overfitting means the model performs well on training data but poorly on new, unseen data.
  • Step 4: Regularization is a technique used to help the model generalize better to new data.
  • Step 5: It does this by adding a penalty for having large coefficients (weights) in the model.
  • Step 6: By keeping the coefficients smaller, the model becomes simpler and less likely to overfit.
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