## Chapter 10: Exercises

1. (*) Feature selection: Explain the following methods for input/feature selection:
1. Sequential forward selection
2. Exhaustive search
2. (*) Number of CV procedures for different input selection methods: If you have a classification task of $n$ inputs (features). How many cross-validation procedures you need to perform by using the following input/feature selection methods:
1. Sequential forward selection
2. Exhaustive search

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