标签：https post blog 决策 gbdt tin ref 决策树 梯度
https://plushunter.github.io/2017/01/22/%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E7%AE%97%E6%B3%95%E7%B3%BB%E5%88%97%EF%BC%887%EF%BC%89%EF%BC%9AGBDT/
GBDT(Gradient Boosting Decision Tree)梯度提升决策树
原文地址：https://www.cnblogs.com/qniguoym/p/8136825.html
