file:155-随机森林实施.mp4 file:200-决策树进阶应用.mp4 file:126-图形解释.mp4 file:190-协同过滤算法.mp4 file:141-数据挖掘简介.mp4 file:092-R语言的常用运算.mp4 file:193-平稳时间序列模型.mp4 file:178-R代码实现客户分群.mp4