from sklearn.preprocessing import Binarizer #数据预处理二元化Binarizer模型
def test_Binarizer():
X=[[1,2,3,4,5],
[5,4,3,2,1],
[3,3,3,3,3,],
[1,1,1,1,1]]
print("before transform:",X)
binarizer=Binarizer(threshold=2.5)
print("after transform:",binarizer.transform(X)) # 调用 test_Binarizer
test_Binarizer()