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st: lags for xi created vars

From   Ed Blackburne <>
Subject   st: lags for xi created vars
Date   Wed, 20 Oct 2004 10:25:07 -0500

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

Is there anyway to get around this?



Edward F. Blackburne
Associate Professor
Economics and International Business
Sam Houston State University
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