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st: Fwd: foreach loop for generating missing variables


From   andreas chai <andreaschai@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   st: Fwd: foreach loop for generating missing variables
Date   Fri, 23 Sep 2011 11:16:01 +1000

Dear Stata experts :  PLease help!

I have a series of variables "x100 ... x894" in which many of these
variables are missing. e.g. x240 does not exist

I would like to create these missing variables which contain zero for all
observations.

how do i create these missing variables ?

i have tried writing a loop

!foreach x of newlist  x100- x894{
!gen `x=92 =3D0
!}

but keep getting an error as some these variables already exist.


thank you in advance,
Andreas
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