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st: Complicated counting


From   "Moore, Jesse" <Jesse.Moore@vtmednet.org>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Complicated counting
Date   Mon, 14 May 2007 15:18:34 -0400

This is perhaps a mundane question (compared to some posts), but
important to me nonetheless:
My data looks like this:
ProviderID    Hospital    
A                    1
A                    1
A                    1
A                    1
B                    1
B                    1
B                    2

I would like to create a variable with the number of hospitals that each
provider has worked at.  For provider A it would be 1, for provider B it
would be 2.

Any help would be greatly appreciated.

JSM


Jesse Moore, MD
General Surgery Resident
Fletcher Allen Healthcare
University of Vermont
802-847-5097


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