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对20 newsgroups 数据集 进行文本分类

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when you load your dataset, the test set is from the train , a very stupid mistake

hey 我用了贝叶斯的 却有这个问题想请教怎么回事

首先非常感谢楼主分享,但是代码有个严重问题是,训练集和测试集是都是取得' sklearn‘ 的 ’train',这样得到的结果不能反映模型的真实预测水平,表现好的原因很可能是出现了过拟合。