Hendrik/xgboost
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

alpha & lambda for gbtree

Browse Source 
alpha & lambda descriptions to "Parameters for Tree Booster" added (issue #466)
This commit is contained in:
Far0n 2015-09-05 12:36:42 +02:00
parent 3d6c831e8a
commit dbc5c9b82d
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
doc/parameter.md
View File

@ -46,6 +46,10 @@ Parameters for Tree Booster
* colsample_bytree [default=1] * colsample_bytree [default=1]
- subsample ratio of columns when constructing each tree. - subsample ratio of columns when constructing each tree.
- range: (0,1] - range: (0,1]
* lambda [default=0]
- L2 regularization term on weights
* alpha [default=0]
- L1 regularization term on weights
Parameters for Linear Booster Parameters for Linear Booster
----------------------------- -----------------------------