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st: Collapseing by year
From
Lars Folkestad <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: Collapseing by year
Date
Fri, 20 Jan 2012 15:18:58 +0100
Dear List
I have a dataset where i have patient id and birth year.
I would like to have my data set up so that i have
Birth year number_of_persons_born_this_year
I think i have to use the collapse function, but i cannot figure out how.
Thank you.
lars
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