
From  David Airey <david.airey@vanderbilt.edu> 
To  statalist@hsphsun2.harvard.edu 
Subject  re: st: covariance structure name? 
Date  Fri, 18 Aug 2006 22:50:44 0500 
No, I did not frame the question with regard to a specific Stata command...but your answer did help in that regard.Please note that this is a stats question and not a Stata question; which is the purpose of the list. If you have a stats question try MedStats. It would seem you have a autoregressive structure. The autoregressive correlation model formalizes the idea that the magnitude of correlation among observations "decays" or "drop off" as they become farther apart. Raphael
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