Question: whats the difference between dimensionality reduction and feature selection describe...
- What's the difference between dimensionality reduction and feature selection?
- Describe in detail 2 different techniques for feature selection.
- Given a sample dataset (represented by a set of attributes, a correlation matrix, a co-variance matrix, ...), apply feature selection techniques to select the best attributes to keep (or equivalently, the best attributes to remove).
- What's the difference between feature selection and feature extraction?