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Date:         Mon, 17 Oct 2005 19:52:56 -0700
Reply-To:     David L Cassell <davidlcassell@MSN.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         David L Cassell <davidlcassell@MSN.COM>
Subject:      Re: Chaid analysis
In-Reply-To:  <>
Content-Type: text/plain; format=flowed

aviben@BEZEQINT.NET.IL wrote: >Could someone help me finding a macro performing Chaid analysis? Strange >that SAS did not built such a procedure

I think that TopKatz is right, and it is not 'strange', but 'self-serving' that there is no PROC CHAID or whatever it would be called. Tools like CHAID are available in SAS Enterprise Miner, which is an expensive add-on module.

The %treedics macro is around on the internet, along with everything else that anyone ever put forth. It may have a few bugs. I don't know. But I do know that it was designed to make some minor improvements over the original Kass (1980) formulation in a few areas.

HTH, David -- David L. Cassell mathematical statistician Design Pathways 3115 NW Norwood Pl. Corvallis OR 97330

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