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st: RE: How to identify different versions of the a program within other program


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: How to identify different versions of the a program within other program
Date   Fri, 21 Mar 2008 16:04:53 -0000

Well, flip it round then. 

if e(tau2) == . local myresult $S_2
else local myresult = e(tau2) 

The spirit is the same: If one result cannot be found, use the other. 

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

tiago.pereira@incor.usp.br

Thank you, Nick.

Yes, my first guess was exactly that. Nevertheless, I forgot of
mentioning
that version 2 also has also a global called S_2, which, unfortunately,
provides different results.

----------------------------------------------
I don't think so. But you needn't check that way.

Your branch might as well be

if "$S_2" != "" local myresult $S_2
else local myresult = e(tau2)

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