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st: Not getting variances in mi estimate: xtmixed with var option


From   Art Burke <Art.Burke@educationnorthwest.org>
To   "statalist-digest@hsphsun2.harvard.edu" <statalist-digest@hsphsun2.harvard.edu>
Subject   st: Not getting variances in mi estimate: xtmixed with var option
Date   Tue, 28 Sep 2010 13:30:37 -0700

This command ...

mi estimate: xtmixed overtvic || school_code: , mle var

yields this output ...

------------------------------------------------------------------------------
  Random-effects Parameters  |   Estimate   Std. Err.     [95% Conf. Interval]
-----------------------------+------------------------------------------------
school_code: Identity        |
                   sd(_cons) |    .085312   .0132203      .0629656    .1155889
-----------------------------+------------------------------------------------
                sd(Residual) |   .5989765    .003953      .5912786    .6067746
------------------------------------------------------------------------------

Any ideas why the random effects are not being reported as variances?

Art
__________________________________
Art Burke
Associate
Education Northwest
101 SW Main St, Suite 500
Portland OR 97204-3213
art.burke@educationnorthwest.org
Phone: 503-275-9592
www.educationnorthwest.org



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