train_test_split 分割測試集訓練集

#導入模塊包
from sklearn.model_selection import train_test_split
 
#分割數據, test_size 默認是0.75
x_train, x_test, y_train, y_test = train_test_split(x, y, test_size=0.7,random_state=1)

test_size 設置測試集的比例；

random_state 固定隨機種子，便於多次測試時使用。