Why is feature selection important?

Related questions

1. What is random forest regression?
2. How does random forest select features?
3. How does feature extraction work?
4. What is a Random Forest model?
5. What is Lasso feature selection?
6. What is F score in feature importance?
7. What is XGBoost classification?
8. When would you use random forests vs SVM and why?
9. What is feature selection in data mining?
10. Does XGBoost do feature selection?

Tags

1. #problems
2. #methods
3. #selection
4. #these
5. #importance
6. #feature
7. #without
8. #total
9. #features
10. #reducing
11. #sense
12. #dimensions
13. #information
14. #helps