Why do we need feature selection?

Related questions

1. What is random forest regression?
2. What is mean decrease Gini?
3. How is feature importance calculated in random forest?
4. What is the importance of a variable?
5. How feature importance is calculated?
6. When would you use random forests vs SVM and why?
7. Why feature extraction is important?
8. What is the use of feature extraction?
9. Does random forest need feature selection?
10. How does feature selection work?

Tags

1. #reduce
2. #features
3. #variable
4. #remove
5. #might
6. #dataset
7. #improving
8. #essence
9. #unnecessary
10. #which
11. #selection
12. #redundant
13. #known
14. #model
15. #attribute
16. #feature
17. #actually
18. #accuracy
19. #irrelevant