Christian Schulz wrote: > Hello, > > i'm trying to replace different target variables in rpart with a > function. The data.frame getting always the target variable as last column. > Try below, i get the target variable in the explained variables, too!? > Have anybody an advice to avoid this. > > rp1 <- rpart(eval(parse(text=paste(names(train[length(train)])))) ~ . ,
I guess you want something along the following example: train <- iris form <- as.formula(paste(names(train)[length(train)], "~ .")) rpart(form, data = iris) or some data.frame method for rpart.... Uwe Ligges > data=train,cp=0.0001) > > regards & many thanks > Christian > > ______________________________________________ > 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. ______________________________________________ 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.
