Describe colsample_bylevel

2016-02-29 16:59:58 -08:00 · 2016-02-29 16:59:58 -08:00 · ba805d0fca
commit ba805d0fca
parent 51bb556898
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--- a/doc/parameter.md
+++ b/doc/parameter.md
@ -46,6 +46,9 @@ Parameters for Tree Booster
 * colsample_bytree [default=1]
  - subsample ratio of columns when constructing each tree.
  - range: (0,1]
+* colsample_bylevel [default=1]
+  - subsample ratio of columns for each split, in each level.
+  - range: (0,1]
 * lambda [default=1]
  - L2 regularization term on weights
 * alpha [default=0]