What is feature in feature extraction?

Related questions

1. What is feature selection in data mining?
2. What is feature importance in machine learning?
3. Is Random Forest probabilistic?
4. How does random forest work?
5. How does feature extraction work?
6. What is the use of feature extraction?
7. When would you use random forests vs SVM and why?
8. Why is correlation important in machine learning?
9. How does random forest select features?
10. How does feature selection work?

Tags

1. #feature
2. #manageable
3. #where
4. #accurately
5. #while
6. #processing
7. #completely
8. #still
9. #initial
10. #dimensionality
11. #extraction
12. #features
13. #variables
14. #groups
15. #reduction
16. #describing
17. #reduced
18. #process
19. #original