The caret package has answers to all your questions. > -----Original Message----- > From: r-help-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] On Behalf Of Neeti > Sent: Tuesday, October 26, 2010 10:42 AM > To: r-help@r-project.org > Subject: [R] to determine the variable importance in svm > > > hii everyone!! > > i have two questions: > > 1) How to obtain a variable (attribute) importance using > e1071:SVM (or other > svm methods)? > > 2) how to validate the results of svm? > > currently i am using the following code to determine the error. > > library(ipred) > for(i in 1:20) error.model1[i]<- > errorest(Species~.,data=trainset,model=svm)$error > summary(error.model1) > > ###################################### > not able to understand errorest result.. if anyone know the > better method to > analyse my result please let me know. > ############################################### > > library(mda) > cmat <- confusion(pred.1,species_test) > -- > View this message in context: > http://r.789695.n4.nabble.com/to-determine-the-variable-import > ance-in-svm-tp3013817p3013817.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > Notice: This e-mail message, together with any attachme...{{dropped:11}}
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
