Question: A __________ set is often used to tune the hyper-parameters, such as K in K-NN, lambda in logistic regression, or the depth in a decision

A __________ set is often used to tune the hyper-parameters, such as K in K-NN, lambda in logistic regression, or the depth in a decision tree. Which are the correct possibilities? (2 correct answers) Question 4 options: validation training cross-validation

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