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Re: st: robust with multinomial multilevel (gllamm)


From   "stata_user stata_user" <stata_dofile@hotmail.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: robust with multinomial multilevel (gllamm)
Date   Thu, 17 May 2007 20:28:50 +0100

Thanks Maarten,

Do you mean that I can use the robust option?

Sami

From: Maarten buis <maartenbuis@yahoo.co.uk>
Reply-To: statalist@hsphsun2.harvard.edu
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: robust with multinomial multilevel (gllamm)
Date: Thu, 17 May 2007 19:46:37 +0100 (BST)

--- stata_user stata_user <stata_dofile@hotmail.co.uk> wrote:
> I am using the gllamm program to estimate a multilevel multinomial
> model.
>
> I have the folliwing problem:
>
> Without the robust option one of my variables (binary variable) has
> a risk ratio of 2.2 but not significant , with the robust option the
> parameter becomes significant.

That isn't a problem. Robust doesn't necessarily mean larger standard
errors. I believe this is discussed in the User's manual (but I don't
have that at home so I can't check)

Hope this helps,
Maarten

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


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