4.1. Feature extraction — scikit-learn 0.15.2 documentation

4.1. Feature extraction — scikit-learn 0.15.2 documentation

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日期:2025-12-15
Note Feature extraction is very different from Feature selection: the former consists in transforming arbitrary data, such as text or images, into numerical features usable for machine learning. The latter is a machine learning technique applied on these ...看更多