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Re: st: Reading the output of xtmelogit


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Reading the output of xtmelogit
Date   Tue, 20 Oct 2009 22:25:50 +0000 (GMT)

--- Jackson, Theron Keith wrote:
> I ran the following model and I am having trouble reading the 
> hierarchial part of the data. <snip>

---------------------------------------------------------------------------  Random-effects Parameters  |   Estimate   Std. Err.  [95% Conf.Interval]
-----------------------------+---------------------------------------------
county: Independent          |
               var(Co_Ngh~s) |   3.468035   2.131447   1.039768    11.56725
                  var(_cons) |   7.75e-17   1.75e-09   0           .
-----------------------------+---------------------------------------------
RESIDZIP: Independent        |
               var(Nghd_Dis) |   3.65e-13   1.93e-06   0           .
                  var(_cons) |   8.22e-16   1.21e-08   0           .
---------------------------------------------------------------------------

Your model has a major problem, most of the variances are zero (remember
1e-16 means 0.00000000000000001).

Hope this helps,
Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------


      

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