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mean mean_rna, over(visit)
On Nov 14, 2007, at 8:19 AM, Ziad El-Khatib wrote:
Dear STATA lister
how is it possible to produce table with mean level of continuous var
(rna) at every time point (visit)?
example
visit mean rna
----------------------------
2 500
4 600
6 300
etc..
Thank you and best regards
ziad
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* http://www.ats.ucla.edu/stat/stata/