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RE: st: results from Papke/Wooldridge glm
I have no problems with psu singletons when I run a regular svy: reg on these same variables. But it could be an issue with a glm? And with no specific message alluding to that? Thank you.
Chris
-----Original Message-----
From: Austin Nichols [mailto:[email protected]]
Sent: Fri 6/29/2007 3:57 PM
To: [email protected]
Subject: Re: st: results from Papke/Wooldridge glm
<[email protected]>:
Just a guess, here, but judging from your strata/psu info, your
problem may be related to this:
http://www.stata.com/support/faqs/stat/stratum.html
On 6/29/07, Daw, Christina M <[email protected]> wrote:
[model 1]
> . suest . , svy
>
> Survey results for .
>
> Number of strata = 125 Number of obs = 45278
> Number of PSUs = 361 Population size = 5.513e+08
> Design df = 236
>
> ------------------------------------------------------------------------------
> | Linearized
> | Coef. Std. Err. t P>|t| [95% Conf. Interval]
> -------------+----------------------------------------------------------------
> pcoop |
> evtime | -.0030841 16.38178 -0.00 1.000 -32.27629 32.27012
> _cons | -.0196169 1266.51 -0.00 1.000 -2495.128 2495.089
> ------------------------------------------------------------------------------
>
[model 2]
> . suest ., svy
>
> Survey results for .
>
> Number of strata = 125 Number of obs = 34758
> Number of PSUs = 360 Population size = 4.329e+08
> Design df = 235
>
> ------------------------------------------------------------------------------
> | Linearized
> | Coef. Std. Err. t P>|t| [95% Conf. Interval]
> -------------+----------------------------------------------------------------
> pcoop |
> evtime | -.004174 . . . . .
> _cons | .1200881 . . . . .
> ------------------------------------------------------------------------------
>
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