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RE: st: RE: generating new vars from old by cutting off a portion off the old


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: generating new vars from old by cutting off a portion off the old
Date   Mon, 14 May 2007 09:05:57 +0100

Nevertheless, your description "about 8" is worrying. 
In any observations that have some other number 
of characters, this solution may be incorrect. Try 

. assert length(oldvar) == 8 

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

mfeurey@weber.ucsd.edu
 
> That worked beautifully, thank you.  Just saved me five hours 
> of banging
> my head against the wall.
 
> > Try
> >
> > gen str State = substr(oldvar,4,2)
> >
> > This assumes that your original variable was string.

mfeurey@weber.ucsd.edu

> > I have a variable that has about 8 characters per 
> observation and I need
> > to take 2 characters (4th and 5th characters) and generate 
> them as new
> > variables representing state codes.  So for example, the 
> variable has as
> > one of its value CITNA134.  The characters I need to extract are NA,
> > which
> > will be recoded as State code.  How would I go about doing this?

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