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Update parameter.rst (#3843)

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Zhao Hang 2018-10-30 19:19:45 +08:00 committed by Jiaming Yuan
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doc/parameter.rst
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@ -82,7 +82,7 @@ Parameters for Tree Booster
* ``colsample_bylevel`` [default=1]
- Subsample ratio of columns for each split, in each level. Subsampling will occur each time a new split is made. This paramter has no effect when ``tree_method`` is set to ``hist``.
- Subsample ratio of columns for each split, in each level. Subsampling will occur each time a new split is made. This parameter has no effect when ``tree_method`` is set to ``hist``.
- range: (0,1]
* ``lambda`` [default=1, alias: ``reg_lambda``]