itarticle cousera机器学习基石第三周笔记 machine learning foundation week 3 note in cousera Learning With Different Data Label Learning with Different Protocol Learning with Different Input Space Summary 2020-11-23 0
itarticle stacking Ensembling Load data subset Get a feature matrix Train/test split First level models Ensembling 0
itarticle mean encodings Read data Aggregate data Mean encodings without regularization 1. KFold scheme 2. Leave-one-out scheme 3. Smoothing 4. Expanding mean scheme 0
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