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[Survey] Kaggle - Santander 8位解法まとめ

Posted at

Kaggle - Santander Product Recommendation1の8位解法2の調査記事です.

Title: #8 solution code
Name: Alexander Ponomarchuk
Kaggle Discussion: https://www.kaggle.com/c/santander-product-recommendation/discussion/26838
Code: https://github.com/yaxinus/santander-product-recommendation-8th-place

前処理

  • 特殊なことはしていない(欠損している月の補間を行ったが改善せず)

特徴抽出

  • 特殊なことはしていない

モデル

  • さまざまなパラメータでLightGBMとXGBoostのモデルを作成.
  • 確率が最小になるモデルを一つ選んでマージしていくより,ポアソン相関が最小となるモデルを選んでマージしたほうが改善した.

References

  1. Kaggle, Santander Product Recommendation.

  2. Alexander Ponomarchuk, #8 solution code

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