Re: [R] CART analysis

From: Weiwei Shi <helprhelp_at_gmail.com>
Date: Thu 28 Jul 2005 - 00:43:30 EST

Most of time, I prefer to use randomForest of R though it really depends on your problem. And don't forget Leo's Random Forest if you don't use it for commercial purpose.

weiwei

On 7/26/05, Marc R. Feldesman <feldesmanm@pdx.edu> wrote:
>
>
> --- Adaikalavan Ramasamy <ramasamy@cancer.org.uk> wrote:
>
> > RSiteSearch("CART") should bring up a few hits including
> >
> > http://finzi.psych.upenn.edu/R/Rhelp02a/archive/25850.html
> >
>
> "CART" is a trademarked statistical procedure owned by Salford Systems
> of San Diego, CA. If you're looking for an R-package that implements
> the procedures described in the Breiman, Friedman, Olshen, and Stone
> book entitled "Classification and Regression Trees", the closest you
> can come to the original algorithm is the R-package called "rpart", by
> Therneau and Atkinson. If you combine that with Andy Liaw's
> "randomForest", you have a pretty potent set of tools. If you really
> want "CART", you need to contact Salford Systems for their
> implementation and pay their very expensive licensing fees.
>
> Dr. Marc R Feldesman
> Professor & Chair Emeritus
> Department of Anthropology
> Portland State University
> Portland, OR 97207
>
> Please respond to all emails at: feldesmanm@pdx.edu
>
> "Some people live and die by actuarial tables" Groundhog Day
>
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-- 
Weiwei Shi, Ph.D

"Did you always know?"
"No, I did not. But I believed..."
---Matrix III

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Received on Thu Jul 28 01:05:40 2005

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