Hi, I'm not sure that would work for the "formula" format of an SVM function.
the idea is normally svm(label ~ c1 + c2 +c3, data=mydata); It doesn't work to say svm(label ~ -c(22,23,24), data=mydata) On 7/27/09 12:17 PM, Steve Lianoglou wrote: > Hi, > > On Jul 27, 2009, at 3:01 PM, Noah Silverman wrote: > >> Hi, >> >> Quick question. >> >> I'm working on training an SVM. >> >> I have a dataframe with about 50 columns. I want to train on 46 of >> them. >> >> Is there a way to say "All except columns 22,23,25 and 31"? > > Assume your dataframe is called "my.data": > > my.data[,-c(22,23,25,31)] > > Returns the data.frame w/o columns 22,23,25 and 31. > > -steve > >> It would be nice to not have to do +c1 +c2 +c3 +c4, etc for all 48 >> columns. > > Yes, it is nice, isn't it? :-) > > -steve > > -- > Steve Lianoglou > Graduate Student: Computational Systems Biology > | Memorial Sloan-Kettering Cancer Center > | Weill Medical College of Cornell University > Contact Info: http://cbio.mskcc.org/~lianos/contact > [[alternative HTML version deleted]] ______________________________________________ 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.
