老师,我尝试着调用一下您讲的自己写的归一化算法,但是在最后转化函数的时候出现了问题
import numpy as np
from sklearn import datasets
iris=datasets.load_iris()
x=iris.data
y=iris.target
from sklearn.model_selection import train_test_split
x_train,x_test,y_train,y_test=train_test_split(x,y,test_size=0.2,random_state=666)
import sys
sys.path.append(‘C:\Users\Administrator\PycharmProjects\KNN’)
from preprocessing import StandardScaler
standardScaler.fit(x_train)
standardScaler.fit(x_train)
standardScaler.scale_
standardScaler.mean_
standardScaler.transform(x_train)
结果报错,他说的元组不能改变吗,但是我看x和x_train都是数组,不应该有错吧,还是我赋值错了呢