Hi, On Wed, Feb 2, 2011 at 9:56 AM, Brian <ctto...@hotmail.com> wrote: > > Hi > > I'm trying to predict using a model I fitted with SVM. > > I constructed the model (called Svm) using a training set, and now I want to > use a test set (called BankTest) for prediction. > > The response variable is in the first column of BankTest. > >> SvmPred = predict(Svm, BankTest[,-1], probability=TRUE) >> SvmPredRes = table(Pred = SvmPred, True = BankTest[,1]) > > I get this error: > Error in table(Pred = SvmPred, True = BankTest) : all arguments must have > the same length > > I checked the length of both BankTest[,1] and SvmPredict. >> length(SvmPred) > [1] 2282 >> length(BankTest[,1]) > [1] 2598 > > How are these two columns not the same size? Surely the prediction should > try to predict all the values of BankTest[,1]?
What do you get when you type: R> head(SvmPred) -- 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 ______________________________________________ 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.
