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学習の結果を特徴量にする #17

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Inazuma110 opened this issue Apr 24, 2021 · 2 comments
Open

学習の結果を特徴量にする #17

Inazuma110 opened this issue Apr 24, 2021 · 2 comments

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@Inazuma110
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手法Aで予測した結果を手法Bで予測する際の特徴量にすることで予測精度があがることもあるっぽい？です．
https://signate.jp/competitions/449/discussions/lgbmknn-lb06567-1 とかでやっています．
@Inazuma110
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Inazuma110 commented Apr 27, 2021 •
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knnの結果をxgbに入れて0.5くらいでした．
one hot にしたらちょっと変わるかもだけど，あんまり本質的で無い気がします…

CV: 0.61005067979082
LB: 0.5526727

@Inazuma110
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Inazuma110 commented May 7, 2021 •
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これをスタッキングと言います #30

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