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Add boost_from_average to docs #354

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Mar 24, 2017
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Add boost_from_average to docs #354

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2 changes: 2 additions & 0 deletions docs/Parameters.md
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Expand Up @@ -183,6 +183,8 @@ The parameter format is ```key1=value1 key2=value2 ... ``` . And parameters can
* parameter used to safeguard optimization
* ```scale_pos_weight```, default=```1.0```, type=double
* weight of positive class in binary classification task
* ```boost_from_average```, default=```true```, type=bool
* adjust initial score of each observation to the mean of each class for faster convergence
* ```is_unbalance```, default=```false```, type=bool
* used in binary classification. Set this to ```true``` if training data are unbalance.
* ```max_position```, default=```20```, type=int
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