CFA Practice Question

There are 155 practice questions for this study session.

CFA Practice Question

Which statement is true?
A. A model that generalizes well is a model that fits well.
B. A model that fits well is a model that generalizes well.
C. A model should incorporate the noise or random fluctuations in the training data into its learned relationship.
Explanation: B is false. It may fits too well so it does not generalizes well.

C is false, The model should try to avoid this but to focus on its prediction error on new data.

The fundamental tension of machine learning is between fitting our data well, but also fitting the data as simply as possible.

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