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st: covariance structures


From   David Airey <david.airey@Vanderbilt.Edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: covariance structures
Date   Thu, 17 Apr 2003 14:06:52 -0500

Dear Statalist,

It would be nice to have an FAQ (if there isn't one) describing the various covariance structures (e.g, tables 41.3-41.5 of <http://www.otago.ac.nz/sas/stat/chap41/sect20.htm#mixedrepeat>) assumed by various Stata commands, explained comprehensively but at a fairly intermediate level, with Stata examples. A nice model is <http://www.gseis.ucla.edu/courses/ed231c/notes2/gee.html>.

-Dave

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