摘要：文档地址：https://scikit-learn.org/stable/modules/generated/sklearn.model_selection.train_test_split.html#sklearn.model_selection.train_test_split 阅读全文

摘要：这篇写得挺好了，保存一下：https://www.jianshu.com/p/cb344e1c860a 阅读全文