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st: RE: Replace string


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Replace string
Date   Wed, 2 Mar 2005 18:58:35 -0000

Robin Newberry
 
> As an easy way to group accidents by year, the data has a field with 
> simply the year of the accident. Unfortunately, they've chosen to 
> enter 2 date years, rather than 4 date years. This presents 2 
> problems:
> 
> 1) 9999 is sometimes entered as shorthand for "date unknown"

replace year = "" if year == "9999"

Nick 
n.j.cox@durham.ac.uk 


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