[R] how to use the rpart model to predict new data frame?

[David Winsemius]

> On Nov 11, 2014, at 7:47 PM, PO SU <rhelpmaillist at 163.com> wrote:
> 
> 
> Dear expeRts,
>     Now i have a  train  dataset a  and  test dataset b , i  using the following codes:
> rp<-rpart(y~.,data=a,method="class")
> plot(rp)
> text(rp)
> but how can i use the trained model to predict b?

?predict

> --
> 
> PO SU
> mail: desolator88 at 163.com 
> Majored in Statistics from SJTU
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David Winsemius, MD
Alameda, CA, USA