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st: RE: lags for xi created vars


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: lags for xi created vars
Date   Wed, 20 Oct 2004 17:32:42 +0100

unab myvars : _IstXab* 

foreach v of local myvars { 
	local Myvars "`Myvars' l.`v'" 
} 

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

Ed Blackburne
 
> I have created a set of vars using xi command that has resulted in 
> _IstXab_1 _IstXab_2, etc.
> 
> The following reference to the varlist works:
> 
> regress y _IstXab*
> 
> However, I cannot use lag or difference operators:
> 
> regress y l._IstXab*
> 
> results in error of:
> 
> _IstXab* ambiguous abbreviation
> 

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