People who speak only English and Hebrew (like myself), can't help you.
Consider reposting in English.

Tal

----------------Contact
Details:-------------------------------------------------------
Contact me: tal.gal...@gmail.com |  972-52-7275845
Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
www.r-statistics.com (English)
----------------------------------------------------------------------------------------------




On Wed, Aug 4, 2010 at 12:46 AM, aline uwimana <rwan...@gmail.com> wrote:

> # Classification Tree with rpart
> library(rpart)
>
> # grow tree
> fit <- rpart(y~ x1 + x2+ x3 + x4+ x5,method="class", data=data)
>
>
> printcp(fit) # display the results
> plotcp(fit) # visualize cross-validation results
> summary(fit) # detailed summary of splits
>
> # plot tree
> plot(fit, uniform=TRUE,main="Classification Tree for data")
> text(fit, use.n=TRUE, all=TRUE, cex=.8)
>
> # create attractive postscript plot of tree
> post(fit, file = "c:/tree.ps",title = "Classification Tree for data")
>
>
> > plotcp(fit)
> Erreur dans plotcp(fit) :
>  'cptable' ne contients aucuns résultats de validation croisée
>
> > summary(fit)
> Call:
> rpart(formula = y~ x1 + x2 + x3 +x4 +x5,
>    data = data, method = "class")
>  n=2091 (631 observations deleted due to missingness)
>
>  CP nsplit rel error
> 1  0      0         1
> Erreur dans yval[, 1] : nombre de dimensions incorrect
>
>
> ->> Someone can help to solve this problem.
> Thanx
>
>        [[alternative HTML version deleted]]
>
>
> ______________________________________________
> 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.
>
>

        [[alternative HTML version deleted]]

______________________________________________
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.

Reply via email to