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Re: st: trying to compare means and using xi and xi3 for survey data


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: trying to compare means and using xi and xi3 for survey data
Date   Tue, 5 Jul 2011 14:20:49 +0200

On Tue, Jul 5, 2011 at 1:30 PM, Hitesh Chandwani wrote:
> There is no evident coding error that I can see.
<snip>

> xi, noomit: svy: reg totchg_num i.insured_pub_pvt_un , nocons
<snip>

> ------------------------------------------------------------------------------
>             |             Linearized
>  totchg_num |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
> -------------+----------------------------------------------------------------
> _Iinsured_~0 |  (dropped)
> _Iinsured_~1 |   20398.81   1171.304    17.42   0.000     18099.97    22697.64

There must be a coding error, otherwise _Iinsured_~0 would not have
been dropped. Did you try the diagnostic tools Steve suggested?

-- Maarten

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


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

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