What version of caret and R? We'll also need a reproducible example.
On Mon, Jan 24, 2011 at 12:44 PM, Neeti <nikkiha...@gmail.com> wrote:
>
> Hi,
> I am trying to construct a svmpoly model using the "caret" package (please
> see code below). Using the same data, without changing any setting, I am
> just changing the seed value. Sometimes it constructs the model
> successfully, and sometimes I get an “Error in indexes[[j]] : subscript out
> of bounds”.
> For example when I set seed to 357 following code produced result only for 8
> iterations and for 9th iteration it reaches to an error that “subscript out
> of bonds” error. I don’t understand why
>
> Any help would be great
> thanks
> #######
> for (i in 1:10)
> {
> fit1<-NULL;
> x<-NULL;
> x<-which(number==i)
> trainset<-d[-x,]
> testset<-d[x,]
> train1<-trainset[,-ncol(trainset)]
> train1<-train1[,-(1)]
> test_t<-testset[,-ncol(testset)]
> species_test<-as.factor(testset[,ncol(testset)])
> test_t<-test_t[,-(1)]
> ####
> #CARET::TRAIN
> ####
>
>
> fit1<-train(train1,as.factor(trainset[,ncol(trainset)]),"svmpoly",trControl
> = trainControl((method = "cv"),10,verboseIter = F),tuneLength=3)
> pred<-predict(fit1,test_t)
> t_train[[i]]<-table(predicted=pred,observed=testset[,ncol(testset)])
> tune_result[[i]]<-fit1$results;
> tune_best<-fit1$bestTune;
> scale1[i]<-tune_best[[3]]
> degree[i]<-tune_best[[2]]
> c1[i]<-tune_best[[1]]
>
> }
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Train-error-subscript-out-of-bonds-tp3234510p3234510.html
> Sent from the R help mailing list archive at Nabble.com.
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
Max
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and provide commented, minimal, self-contained, reproducible code.
