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Re: st: egen question


From   Dalhia <ggs_da@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: egen question
Date   Fri, 19 Nov 2010 17:42:21 -0800 (PST)

I would suggest using 'bysort' command. Something like this should work:

bysort jurisdictions; egen tally = count(jurisdictions)

you can then just select those where tally>5

Hope this works.


--- On Sat, 11/20/10, john metcalfe <johnzmetcalfe@gmail.com> wrote:

> From: john metcalfe <johnzmetcalfe@gmail.com>
> Subject: st: egen question
> To: statalist@hsphsun2.harvard.edu
> Date: Saturday, November 20, 2010, 3:32 AM
> Dear Statalist,
> I have a cross-sectional database of 50,000 individuals
> (cases)
> diagnosed within one of 50 jurisdictions over a 16 year
> period.
> For each year, I would like to tally the number of
> jurisdictions
> diagnosing 5 or more cases.
> Does anyone know of a simple way to generate this variable
> using
> -egen- or some other method?
> Many thanks,
> John
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