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heterosbt现在能直接支持类别特征的输入吗? #5231

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harmony0303 opened this issue Oct 18, 2023 · 4 comments
Open

heterosbt现在能直接支持类别特征的输入吗? #5231

harmony0303 opened this issue Oct 18, 2023 · 4 comments

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@harmony0303
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heterosbt现在能直接支持类别特征的输入吗?此外就是将数据拼接起来使用lightgbm效果差异大吗
@talkingwallace
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目前使用不了categorical特征的，需要做one-hot处理

@harmony0303
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目前使用不了categorical特征的，需要做one-hot处理

谢谢您!另外我看现在sbt基本基于是lightgbm的方法,有没有和集中式lightgbm的效果对比文档或论文呢?

@talkingwallace
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examples 下的 benchmark quality 有与Sklearn GDBT的对比的程序文档，实际使用中SBT和xgb，lgb效果是基本接近的

@harmony0303
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examples 下的 benchmark quality 有与Sklearn GDBT的对比的程序文档，实际使用中SBT和xgb，lgb效果是基本接近的

再次请问一下您，我这边有特征比较稀疏的数据集（如Criteo），做one-hot会导致特征维度很大，这样SBT和lgb效果也会接近吗？

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@talkingwallace @harmony0303