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特征选择的三类方法

作者:互联网

(原创)

本文总结特征选择的三类方法 

1 过滤Filter methods:

(1)信息增益 information gain
(2)chi-square test
(3)fisher score
(4)相关系数correlation coefficient
(5)方差阈值 variance threshold

2 包装Wrapper methods:

(1)recursive feature elimination
(2)sequential feature selection algorithms
(3)genetic algorithms

3. 集成方法Embedded methods:

(1)L1 (LASSO) regularization
(2)decision tree

标签:三类,methods,特征选择,feature,algorithms,方法
来源: https://www.cnblogs.com/randomstring/p/15710095.html