8、特征选择

用过滤法对以下数据进行特征选择:

                             [[0,2,0,3],

                              [0,1,4,3],

                              [0,1,1,3]]

要求:

1Variance Thresholdthreshold =1.0

2、将结果截图

 

from sklearn.feature_selection import  VarianceThreshold
def var():
    var =VarianceThreshold(threshold=1.0)
    data=var.fit_transform([[0,2,0,3],[0,1,4,3],[0,1,1,3]])
    print(data)
    return None

if __name__ =="__main__":
    var()

 

 

 

 

 

posted @ 2020-04-27 10:35  seele233  阅读(136)  评论(0)    收藏  举报