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特征工程

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特徵工程(英語:feature engineering)又稱特徵提取(英語:feature extraction)或特徵發現(英語:feature discovery)是使用領域知識從原始數據中提取特徵(特徵、屬性、特性)的過程。 與僅向機器學習過程提供原始數據相比,其動機是使用這些額外的功能來提高機器學習過程的結果質量。

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特征工程
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