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机器学习——分类问题对于文字标签的处理(特征工程)
2022-08-04 05:30:00 【nuomi666】
两种方式都是把文字特征转化为01组成的向量,方便计算机处理,但是会增加标签维度,每多一个标签分类,就会增加一个维度。
1.sklearn.feature_extraction.DictVectorizer()
2.pandas.get_dummies
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