From c7bc739ed2e267e1022b8683e03a9c4f86bd2184 Mon Sep 17 00:00:00 2001 From: Yang Yang Date: Mon, 8 Apr 2019 14:10:04 -0400 Subject: [PATCH] Fix document about colsample_by* parameter (#4340) Correct the calculation mistake in colsample_by* example. --- doc/parameter.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/parameter.rst b/doc/parameter.rst index 0a730c90a..a20f66426 100644 --- a/doc/parameter.rst +++ b/doc/parameter.rst @@ -96,7 +96,7 @@ Parameters for Tree Booster subsampled from the set of columns chosen for the current level. - ``colsample_by*`` parameters work cumulatively. For instance, the combination ``{'colsample_bytree':0.5, 'colsample_bylevel':0.5, - 'colsample_bynode':0.5}`` with 64 features will leave 4 features to choose from at + 'colsample_bynode':0.5}`` with 64 features will leave 8 features to choose from at each split. * ``lambda`` [default=1, alias: ``reg_lambda``]