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st: RE: xtgee error problem

From   "Nick Cox" <>
To   <>
Subject   st: RE: xtgee error problem
Date   Tue, 26 Nov 2002 11:08:46 -0000

Laura Gross
> I am using the xtgee command to run some weighted 
> generalized estimating
> equations. I have allocated plenty of memory to Stata for this.
> The command I'm using takes a simple form, for example:
> xi:xtgee y i.age [iweight=weight],fam(binomial) link(logit)
> corr(ind) robust
> This starts to run up to about the 3rd iteration when I get the
> following error message:
> Application Error:P:\APPS\Stata\wstata.exe
> The instruction at 00420000 referenced memory at 00000001
> The memory could not be written
> Click OK to terminate
> I used the xtgee command before and not had this problem 
> but now it is
> happening whatever data set I use.
> Could someone tell me why I am getting this error and how I 
> can sort it
> out and also if it is a Windows problem (I'm using XP) or a 
> problem in Stata?

This sounds more like something for 
your system administrator -- seemingly 
you are using Stata over a network -- 
or for tech-support, but note that they 
would need more information than you give here. 

How do I send Stata output to Technical Support?

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