1、GBDT类库概述
GBDT有很多简称,有GBT(Gradient Boosting Tree), GTB(Gradient Tree Boosting), GBRT(Gradient Boosting Regression Tree),MART(Multiple Additive Regression Tree),其实都是指的同一种算法。sklearn中称为GradientTree Boosting,分类为GradientBoostingClassifier,回归为GradientBoostingRegressor。GBDT有很多简称,有GBT(Gradient Boost