[R] Trees

[Torsten Hothorn]

On Mon, 23 Jan 2006, Stephen wrote:

> Hi.,
>
> I would like to conduct a CHAID tree analysis - Chi-square Automatic
> Interaction Detector.
>
> >From what I can make out from MASS, tree, rpart, and a quick search it
> isn't available
> as a package.
>
> Is that correct or have I missed it?

correct, it is not available out-of-the-box.

> Has anyone an available implementation of it?

if you aim at unbiased variable selection you might want to checkout the
`party' package, especially the `ctree' function.

Best,

Torsten

>
> Thanks
>
> Stephen
>
> Nana Mail <http://mail.nana.co.il> - Get Your Free Personal Outlook 2003
> Now
>
> 	[[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>
>