computation of w #5
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in xgboost's tutorial https://xgboost.readthedocs.io/en/latest/model.html, they said w = -G/(H+lamda), but you just use -G/H here, will it cause problems?
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Yes you're right - currently the code is only compatible with lambda = 0. Will look make it compatible with all lambda in the near future. |
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in xgboost's tutorial https://xgboost.readthedocs.io/en/latest/model.html, they said w = -G/(H+lamda), but you just use -G/H here, will it cause problems?