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st: RE: ??: Handling string data


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: ??: Handling string data
Date   Thu, 3 Aug 2006 13:01:27 +0100

This isn't so. Simpler solutions using -strpos()- (or -index()-) 
and -regexm()- were suggested promptly after the question 
was posted. There is no need to go outside Stata, or to 
use other software which the questioner may not even have access to. 

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

rereach@sohu.com
 
> I think the simplest way is to use excel transfer the string 
> x1,x2,x3...
> into numbers 0,0,1...and add them to get y.

Mingfeng 
 
> I have tried to solve this myself with the reference, but no luck so
> far.  My problem is to run a function on a string variable.  This is
> the data that I have
> 
> Variable X:
> 
> x1,x2,x3
> x1,x3
> x2
> x1,x3,x4,x5
> x5,x6
> 
> 
> I was tring to generate a dummy variable y=1 when x3 is contained in X
> and 0 otherwise.  Is there a command to do this?

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