[KongchangAI]
Unverified50% confidenceSolutionExact time

scikit-learn的Pipeline机制将预处理步骤封装后fit只在训练集执行,从而防止测试集信息泄露到预处理步骤

1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen

Sources

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