交叉验证 发表于 2018-04-02 | 分类于 机器学习 | why use Training set 用于检查过拟合 对模型在一个独立数据集的表现 How分离训练集&测试集1234from sklearn.model_selection import train_test_splitfeatures_train, features_test, labels_train, labels_test = cross_validation.train_test_split(iris.data, iris.target, test_size=0.4, random_state=0)