What is feature selection in data mining?

Related questions

1. What is feature importance in random forest?
2. How do you select features in machine learning?
3. Why is feature engineering important?
4. Why do we need feature engineering?
5. How is feature importance calculated in random forest?
6. How does random forest work?
7. What is the purpose of feature engineering?
8. Why is feature selection important?
9. Does random forest need feature selection?
10. Why do we need feature selection?

Tags

1. #machine
2. #learning
3. #meaningful
4. #feature
5. #analysis
6. #important
7. #processing
8. #reducing
9. #selection
10. #refers
11. #finding
12. #process
13. #inputs