Message-ID: <2359ac0f.1cda7.149a265701b.Coremail.rhelpmaillist@163.com>
Date: 2014-11-12T05:06:37Z
From: PO SU
Subject: how to use the rpart model to predict new data frame?
In-Reply-To: <CAF3tJnGn4Uwyx_ZN=k1YWzWacJ0-pZ4eJSU-eFo17A1L+==Fgg@mail.gmail.com>
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
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