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[doc] better doc for keep_training_booster #3275

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Aug 6, 2020
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[doc] better doc for keep_training_booster #3275

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[doc] better doc for `keep_training_booster`
guolinke Aug 6, 2020
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Update python-package/lightgbm/engine.py
guolinke Aug 6, 2020
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1 change: 1 addition & 0 deletions python-package/lightgbm/engine.py
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Expand Up @@ -128,6 +128,7 @@ def train(params, train_set, num_boost_round=100,
keep_training_booster : bool, optional (default=False)
Whether the returned Booster will be used to keep training.
If False, the returned value will be converted into _InnerPredictor before returning.
When your model is very large and cause the memory error, you can try to set this to ```True```, to avoid the model_to_string conversion.
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You can still use _InnerPredictor as ``init_model`` for future continue training.
callbacks : list of callables or None, optional (default=None)
List of callback functions that are applied at each iteration.
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