from sklearn.model_selection import train_test_split
import pandas as pd
f1=pd.read_excel('aaa.xlsx')
f1.columns
#Index(['X', 'Y'], dtype='object')
X_train,X_test,y_train,y_test = train_test_split(X,Y,test_size=0.3)
X_train: 训练集X
y_train: 训练集Y
X_test:测试集X
y_test:测试集Y
train_test_split:切割样本
test_size=0.3:选取样本30%作为测试集的数量
python 把数据分成训练集和测试集
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转载自blog.csdn.net/weixin_42342968/article/details/83538676
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