推到xgb：

http://www.52cs.org/?p=429

原作者ppt：

http://download.csdn.net/detail/laoou123456laoou/9694013

xgb源码解读

http://mlnote.com/2016/10/05/a-guide-to-xgboost-A-Scalable-Tree-Boosting-System/

调参：

https://zhidao.baidu.com/question/1737905359123735067.html

xgboost