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st: re: replace two characters within an eight-character string


From   Kit Baum <kitbaum@mac.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: re: replace two characters within an eight-character string
Date   Sun, 4 Nov 2007 10:52:51 -0500

Michael wants to replace something if it occurs at a certain position.
First determine whether it does, then if it does, replace it:

g mcc2= cond(substr(mcc,3,2)=="99",subinstr(mcc,"99","01",1),mcc)


Kit Baum, Boston College Economics and DIW Berlin
http://ideas.repec.org/e/pba1.html
An Introduction to Modern Econometrics Using Stata:
http://www.stata-press.com/books/imeus.html


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