--- On Tue, 1/12/09, Sue wrote:
> Does the cluster(.) option by default include robust for some
> reason?
Yes, see chapter 20.16 of the Users' Guide for an explanation.
Hope this helps,
Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
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