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Posted: **Wed Apr 16, 2025 11:12 am**

Hi,

I'm trying to use the function DLOG at a group of explanatory variables (xvars) so that I don't need to write all of them one by one. Here what I came up wtih:

%lista = ""
for !i = 1 to xvars.@count
%v = xvars.@seriesname(!i)
%lista = %lista + " dlog(" + %v + ")"
next

equation eq1.ls dlog(pib) c {%lista} @seas(1) @seas(2) @seas(3)

But it's not working. I get the answer "{%LISTA} is not defined".

Posted: **Wed Apr 16, 2025 7:29 pm**

Are you doing it in a program?

Works for me:

Code: Select all


wfcreate m 1990 2020
for !i=1 to 5
	series x{!i}=@rnorm+20+@trend
next
group xvars x*
series pib = @rnorm

%lista = ""
for !i = 1 to xvars.@count
%v = xvars.@seriesname(!i)
%lista = %lista + " dlog(" + %v + ")"
next

equation eq1.ls dlog(pib) c {%lista} @seas(1) @seas(2) @seas(3)

Posted: **Thu Apr 17, 2025 7:05 am**

Working now.

Thanks a lot!

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