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? TKS. -- PO SU mail: desolator88 at 163.com Majored in Statistics from SJTU
how to use the rpart model to predict new data frame?
4 messages · Bharat Bargujar, David Winsemius, PO SU
HI, Try this: results <- predict(rp,b,type = "vector") Regards, Bharat
On 12 November 2014 09:17, 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?
TKS.
--
PO SU
mail: desolator88 at 163.com
Majored in Statistics from SJTU
______________________________________________ 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.
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
______________________________________________ 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.
David Winsemius, MD Alameda, CA, USA
OK , i tried predict(rp,b) but showed me a result which i can't understand, now it's the argument ?type="vector" worked. -- PO SU mail: desolator88 at 163.com Majored in Statistics from SJTU
At 2014-11-12 11:55:08, "Bharat Bargujar" <bharatbargujar at gmail.com> wrote:
HI, ? Try this: ? results <- predict(rp,b,type = "vector") ? Regards, Bharat ?
On 12 November 2014 09:17, 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? TKS. -- PO SU mail: desolator88 at 163.com Majored in Statistics from SJTU ______________________________________________ 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.