[R] paste dependent variable in formula (rpart)?

[Christian Schulz]

> 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....
>   
yes ,many thanks!
Christian

>   
> Uwe Ligges
>
>
>   
>> data=train,cp=0.0001)
>>
>> regards & many thanks
>> Christian
>>
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>>     
>
> ______________________________________________
> R-help at 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.
>
>