Re: [R] Help，Suggest me some methods to identify tr aining set and test set!!!

Thank you for all help. It is helpful for me. Max Kuhn wrote: > >> I noticed Max already pointed you to the caret package. >> >> Load the library and look at the help for the createFolds function, eg: >> >> library(caret) >> ?createFolds > > I think that the createDataPartition function in care

Re: [R] Help，Suggest me some methods to identify tr aining set and test set!!!

> I noticed Max already pointed you to the caret package. > > Load the library and look at the help for the createFolds function, eg: > > library(caret) > ?createFolds I think that the createDataPartition function in caret might work better for you. There are a number of other packages with simil

Re: [R] Help，Suggest me some methods to identify tr aining set and test set!!!

Hi, On Mon, Dec 21, 2009 at 9:09 AM, bbslover wrote: > > I want to split my whole dateset to training set and test set, building model > in training set, and validate model using test set. Now, How can I split my > dataset to them reasonally. Please give me a hand, It is better to give me > some

Re: [R] Help，Suggest me some methods to identify tr aining set and test set!!!

Not ellegant.. but... MyDF<-data.frame(cbind(x=runif(10), y=rnorm(10))) TrainingSize=5 TrainingSize_list<-sample(1:nrow(MyDF))[1:TrainingSize] TrainingSize_list MyDF.training<-MyDF[(1:nrow(MyDF) %in% TrainingSize_list),] MyDF.training MyDF.test<-MyDF[ ! (1:nrow(MyDF) %in% TrainingSize_list),]