Chua Siang Li siang.li.chua at acceval-intl.com
Mon Jul 21 11:11:03 CEST 2008

   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
   And are there any more other R packages that offer improved CART/CHAID
   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
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   --------- 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


   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/

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