How does XGBoost classification work?

Related questions

1. What is XGBoost good for?
2. What is N_estimators in XGBoost?
3. What is XGBoost?
4. How many trees are there in XGBoost?
5. What is l1 and l2 regularization?
6. What is DMatrix?
7. What is PY XGBoost?
8. What is XGBoost R?
9. What is learning rate in machine learning?
10. What is GBM machine learning?

Tags

1. #library
2. #boosting
3. #because
4. #xgboost
5. #descent
6. #problems
7. #gradient
8. #implements
9. #approach
10. #regression
11. #classification
12. #models
13. #called
14. #adding
15. #supports
16. #predictive
17. #modeling
18. #minimize
19. #decision
20. #algorithm