--- Ziad El-Khatib <[email protected]> wrote:
> Any tips how to show in one table list of freq of variables during
> different time points? Number of patients on drug1, drug2 and drug3
> during visits 2, 4, 8, 12 and 16?
>
> I am used to show it as
> tab visit drug1 if visit==2
> etc..
assuming that drug1 drug2 and drug3 are coded: 1 = yes, 0 = no:
-table visit, c(sum drug1 sum drug2 sum drug3)-
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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