[R] FW: multivariate splits

Vayssières, Marc marcv at water.ca.gov
Tue Jun 20 18:40:14 CEST 2006


-----Original Message-----
From: Vayssières, Marc 
Sent: Tuesday, June 20, 2006 9:35 AM
To: 'r-help-bounces at stat.math.ethz.ch'
Subject: RE: [R] multivariate splits

Glen De'ath's package for R is on cran! It is called mvpart, see:


Marc Vayssières

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Scott Rollins
Sent: Tuesday, June 20, 2006 8:13 AM
To: r-help at stat.math.ethz.ch
Subject: Re: [R] multivariate splits

Glenn De'ath published a paper in 'Ecology' several years ago and included S-Plus functions in the archives. I haven't looked at the files, so I'm not sure what modifications would be necessary for R.

De'ath, G. 2002. Multivariate regression trees: a new technique for modeling species--environment relationships. Ecology 83:1105-1117.

Archives: http://www.esapubs.org/archive/ecol/E083/017/


> Date: Mon, 19 Jun 2006 16:17:40 +0200
> From: " B?lint Cz?cz " <elatine at gmail.com>
> Subject: [R] multivariate splits
> To: r-help <r-help at stat.math.ethz.ch>
> Message-ID: <fab4bcf70606190717r45a2030dg at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> Dear R users!
> Does someone know about any algorithms / packages in R, that perform 
> classification / regression / decision trees using multivariate 
> splits?
> I have done some research, but I found nothing. Packages "tree" and 
> "rpart" seem only to be able to do CART with univariate splits.
> Thank you for your help!
> B?lint
> --
> Cz?cz B?lint
> PhD hallgat?
> BCE KTK Talajtan ?s V?zgazd?lkod?s Tansz?k
> 1118 Budapest, Vill?nyi ?t 29-43.


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