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microsoft / LightGBM

A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.
https://lightgbm.readthedocs.io/en/latest/
MIT License
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cannot use bagging in GOSS #1467

Closed jingcb closed 6 years ago

jingcb commented 6 years ago

hi, in python, clf = LGBMClassifier( nthread=4, n_estimators=10000, learning_rate=0.02, num_leaves=34, colsample_bytree=0.9497036, subsample=0.8715623, max_depth=8, reg_alpha=0.041545473, reg_lambda=0.0735294, min_split_gain=0.0222415, min_child_weight=39.3259775, silent=-1, verbose=-1, )

but get error lightgbm.basic.LightGBMError: b'cannot use bagging in GOSS'

StrikerRUS commented 6 years ago

The error is quite simple to understand.

Remove the subsample parameter.