Model selection and validation Flashcards by Stefano Ivancich

Q

What is Model selection? What are the 2 approaches and their basic idea?

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Q

What is Validation?
What if the validation set size V is large?
How it is validation compared to VcDim?
How to use Valdidation for model selection?
What Model-Selection Curve shows?
What we do if we have more than one hyperparameter?

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Q

How can we estimate the true risk after model selection?

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Q

How k cross validation works? And why is used? K-fold cross algorithm.

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Q

How to improve a model (what if learning fails)?

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