
importance是gini的增益
https://blog.csdn.net/wsp_1138886114/article/details/80955528
裂变前gini-裂变后不同子树按样本数加权的gini
增益越大,不纯度变化越大,越纯

importance是gini的增益
https://blog.csdn.net/wsp_1138886114/article/details/80955528
裂变前gini-裂变后不同子树按样本数加权的gini
增益越大,不纯度变化越大,越纯
本文标题:有关SKlearn中的决策树importance
本文链接:https://www.haomeiwen.com/subject/fmcoiqtx.html
网友评论