Displaying 2 results from an estimated 2 matches for "yuchun".
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yuchen
2009 Jun 17
1
gbm for cost-sensitive binary classification?
...= "bernoulli",data=data.frame(cbind(tr[,1:DIM],tr.y)),weights = tr.w,var.monotone=NULL,n.trees=NTREE,interaction.depth = TREEDEPTH,n.minobsinnode = 10,shrinkage=0.05,bag.fraction = 0.5,train.fraction = 1.0,cv.folds = 5,keep.data=TRUE,verbose=TRUE);
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Yuchun Tang, Ph.D.
Principal Engineer, Lead
McAfee, Inc.
4800 North Point Parkway
Suite 300
Alpharetta,
GA 30022
Main: 678.904.9153
www.mcafee.comwww.trustedsource.org
[[alternative HTML version deleted]]
2010 Feb 03
0
mboost: how to implement cost-sensitive boosting family
...ontrol=boost_control(mstop=MSTOP,
nu=0.1,savedata=TRUE,save_ensembless=TRUE,trace=TRUE),
tree_controls=ctree_control(teststat = "max",testtype =
"Teststatistic",mincriterion = 0,minsplit = 2000, minbucket =
700,maxdepth = TREEDEPTH));
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regards,
Yuchun Tang, Ph.D.
Principal Engineer, Lead
McAfee, Inc.
4501 North Point Parkway
Suite 300
Alpharetta, GA 30022
Main: 770.776.2685
www.mcafee.com
www.trustedsource.org
www.linkedin.com/in/yuchuntang