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st: RE: AW: dropping digits from variables in Stata 10


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: AW: dropping digits from variables in Stata 10
Date   Mon, 23 Feb 2009 11:15:29 -0000

But re-formatting alone will not make extraction of the first three
digits any easier. 

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

Martin Weiss

See http://www.stata.com/support/faqs/data/leading0.html

Ekaterina Hertog

1) I have got a variable consisting of 7 digit zipcodes. I want to 
create a second variable which will only  consist of the first 3 digits 
of each zip-code and I cannot find a way to do it.
2) Some of the zipcodes start with 00, e.g 0037845 and Stata drops the 
front 00 turning such zipcodes into 5-digit numbers (e.g. 37845). I need

to make Stata understand that these 00 are meaningful and return them 
back into the zipcodes and I cannot find how to do this. They were 
present in my original csv file, but when I converted it into a Stata 
file using Stattransfer they were gone.

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