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st: kendall's tau or gamma


From   "Abelev, Melissa - FNS" <Melissa.Abelev@fns.usda.gov>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: kendall's tau or gamma
Date   Mon, 31 Oct 2011 14:02:31 +0000

I'm trying to construct a crosstab on weighted, ordinal data.  Stata will d= o the crosstab.  When I try to get the gamma or kendall's tau (or any measu= res of association), it says "option gamma not allowed" (or substitute "gam= ma" for any measure I tried).  Why is this?  I tried the survey function, b= ut gamma and tau aren't options in the measures.  Can anyone provide some l= ight here?  I just need to be able to say whether or not the variables are = associated, and the strength and direction of the relationship...??

**************
Melissa S. Abelev, Ph.D.
Policy Analyst, Office of Research and Analysis
Food and Nutrition Service, USDA
3101 Park Center Dr., 10th Floor
Alexandria, VA 22302
703-305-2209
melissa.abelev@usda.gov


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