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