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Date:         Thu, 18 May 2006 17:29:31 +0200
Reply-To:     Marta García-Granero
              <biostatistics@terra.es>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Marta García-Granero
              <biostatistics@terra.es>
Organization: Asesoría Bioestadística
Subject:      Re: Chi Square Test for Trend
In-Reply-To:  <6250203B042D8349A920AA6103830936014351F3@UTHEVS3.mail.uthouston.edu>
Content-Type: text/plain; charset=ISO-8859-1

Hi Lou

The NIST book (mentioned by Paul) is a good source (I use it quite often), and you can take a look at SPSS help too, Cochran test is well explained. A good explanation of Cochran-Armitage test can be found at Alan Agresti (2002), Categorical Data Analysis (2nd Ed), pp 181-2, John Wiley & Sons.

SPR> Do you google? SPR> http://www.itl.nist.gov/div898/software/dataplot/refman1/auxillar/cochran.htm

SPR> If this doesn't take up too much time, would you be able to SPR> give me a brief description of (a)the Cochran test and (b) the SPR> Cochran-Armitage test that you mentioned. Nothing in-depth, but SPR> I'm just interested to know how they differ since you mentioned SPR> that they are very different. I've had a look around but can SPR> only seem to find info on the Cochran-Armitage test.


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