Why do we need feature engineering?

Related questions

1. Is Random Forest probabilistic?
2. What is the importance of a variable?
3. What is feature in feature extraction?
4. Does random forest give probability?
5. What is feature importance in random forest?
6. How feature importance is calculated?
7. How do you determine variable importance?
8. Does Random Forest select a subset of features for every tree or every node?
9. Why is feature engineering important?
10. Does XGBoost do feature selection?

Tags

1. #preparation
2. #those
3. #improve
4. #patterns
5. #learn
6. #provide
7. #predictions
8. #engineering
9. #these
10. #algorithms
11. #process
12. #there
13. #beneficial
14. #decisions
15. #insights
16. #algorithm
17. #feature
18. #performance