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

scale_pos_weight default value (#1712)

Browse Source 
Should say 1 (not 0)
This commit is contained in:
Alireza Bagheri Garakani 2016-11-03 12:52:26 -07:00 committed by Tianqi Chen
parent 8156b71912
commit 9c693f0f5f
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/parameter.md
View File

@ -71,7 +71,7 @@ Parameters for Tree Booster
- Usually user does not have to tune this. - Usually user does not have to tune this.
but consider setting to a lower number for more accurate enumeration. but consider setting to a lower number for more accurate enumeration.
- range: (0, 1) - range: (0, 1)
* scale_pos_weight, [default=0] * scale_pos_weight, [default=1]
- Control the balance of positive and negative weights, useful for unbalanced classes. A typical value to consider: sum(negative cases) / sum(positive cases) See [Parameters Tuning](how_to/param_tuning.md) for more discussion. Also see Higgs Kaggle competition demo for examples: [R](../demo/kaggle-higgs/higgs-train.R ), [py1](../demo/kaggle-higgs/higgs-numpy.py ), [py2](../demo/kaggle-higgs/higgs-cv.py ), [py3](../demo/guide-python/cross_validation.py) - Control the balance of positive and negative weights, useful for unbalanced classes. A typical value to consider: sum(negative cases) / sum(positive cases) See [Parameters Tuning](how_to/param_tuning.md) for more discussion. Also see Higgs Kaggle competition demo for examples: [R](../demo/kaggle-higgs/higgs-train.R ), [py1](../demo/kaggle-higgs/higgs-numpy.py ), [py2](../demo/kaggle-higgs/higgs-cv.py ), [py3](../demo/guide-python/cross_validation.py)
Additional parameters for Dart Booster Additional parameters for Dart Booster