转换器![在这里插入图片描述](https://img-blog.csdnimg.cn/20201001005717649.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3OTc4ODAw,size_16,color_FFFFFF,t_70#pic_center)
# -*- coding: utf-8 -*-
from sklearn.preprocessing import StandardScaler
s = StandardScaler()
s1 = s.fit_transform([[1,2,3],[4,5,6]])
print(s1)
print("-"*50)
ss = StandardScaler()
ss1 = ss.fit([[1,2,3],[4,5,6]])# 计算当前数据的标准差或平均值
print(ss1)
print("-"*50)
sss1 = ss.transform([[1,2,3],[4,5,6]]) # 以fit的数据进行转换
print(sss1)
估计器