Assuming the date variable is already in date format:
collapse (desired.statistics) Var1, by(Date)
or
sort Date
by Date: keep if _n==1
Is this what you want?
rafal
================
Rafal Raciborski
Graduate student
Department of Political Science
Emory University
301 Tarbutton Hall
1555 Dickey Drive
Atlanta, GA 30322
404-378-9826 (home)
[email protected] (e-mail)
www.roofoos.net
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