Re: st: cluster effect in logit

[Roger Newson <roger.newson@kcl.ac.uk>]

At 13:13 02/06/2005, Manuela wrote:
> Dear all,
>
> Can somebody tell me what estimate Stata computes when using the cluster 
> option
> (specifically while running a logit model)? Is it Huber-White robust 
> variance estimates
> that the option computes? I cannot seem to find the answer on the manuals.
Yes. If you specify the -cluster- option, then that implies the -robust()- 
option, and therefore the clustered Huber variance estimates. If in Stata 
you type

whelp robust

then you should probably find the manual references in the on-line help.

Hope this helps.

Roger



--
Roger Newson
Lecturer in Medical Statistics
Department of Public Health Sciences
Division of Asthma, Allergy and Lung Biology
King's College London

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