--- Nick Cox <[email protected]> wrote:
> I would tweak Maarten's example, slightly.
>
> He had
>
> contract rep78 foreign
>
> I think there is good reason to go
>
> contract rep78 foreign, zero
>
> so that the cells with zeros are explicit.
True, thanks,
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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