unab myvars : _IstXab*
foreach v of local myvars {
local Myvars "`Myvars' l.`v'"
}
Nick
[email protected]
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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