[R] CART and CHAID

[Achim Zeileis]

On Mon, 21 Jul 2008, Chua Siang Li wrote:

>
>   Thanks, yes, understand that PARTY offers a lot lot more than CHAID.
>   mmm, allow me to rephrase it.
>   If I am looking for something similar to CART (to grow tree and prune back)
>   and CHAID (using sig test to stop the tree), I can use RPART and PARTY
>   respectively?
>   And are there any more other R packages that offer improved CART/CHAID
>   technqiues?

See the "Recursive Partitioning" section in the CRAN task view
   http://CRAN.R-project.org/view=MachineLearning
Z

>   Thanks.
>   ----
>   Chua Siang Li
>   Consultant - Operations Research
>   Acceval Pte Ltd
>   Tel: 6297 8740
>   Email: siang.li.chua at acceval-intl.com
>   Website: www.acceval-intl.com
>   This  message and any attachments (the "message") are intended for the
>   designated recipient only and may contain information that is confidential
>   and privileged. If you are not the intended recipient, please notify the
>   sender and delete all its contents. Any use , reliance on, reference to,
>   review  ,  disclosure or copying of the message and the information it
>   contains is prohibited.
>
>   --------- Original Message --------
>   From: "Prof Brian Ripley" <ripley at stats.ox.ac.uk>
>   To: "Chua Siang Li" <siang.li.chua at acceval-intl.com>
>   Cc: r-help at r-project.org
>   Subject: Re: [R] CART and CHAID
>   Date: 07/21/08 15:17
>   On Mon, 21 Jul 2008, Chua Siang Li wrote:
>   > Can I say that RPART is a modified algo of CART and PARTY a modified of
>   > CHAID?
>   Not truthfully. CART is a trademark of commercial software. rpart (sic)
>   is similar but not 'modified' from anything -- it is an independent
>   implementation of the ideas in Breiman, Friedman, Olshen and Stone (with
>   some extra ideas by Terry Therneau and others).
>   party (sic) is very much more general than CHAID.
>   > Thanks.
>   > ----
>   > Chua Siang Li
>   > Consultant - Operations Research
>   > Acceval Pte Ltd
>   > Tel: 6297 8740
>   > Email: [1]siang.li.chua at acceval-intl.com
>   > Website: [2]www.acceval-intl.com
>   --
>   Brian D. Ripley, [3]ripley at stats.ox.ac.uk
>   Professor of Applied Statistics, [4]http://www.stats.ox.ac.uk/~ripley/
>   University of Oxford, Tel: +44 1865 272861 (self)
>   1 South Parks Road, +44 1865 272866 (PA)
>   Oxford OX1 3TG, UK Fax: +44 1865 272595
>
> References
>
>   1. mailto:siang.li.chua at acceval-intl.com
>   2. http://www.acceval-intl.com/
>   3. mailto:ripley at stats.ox.ac.uk
>   4. http://www.stats.ox.ac.uk/~ripley/
> ______________________________________________
> R-help at 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.
>
>