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st: AW: problem with macro in a loop


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: problem with macro in a loop
Date   Wed, 10 Jun 2009 09:31:08 +0200

<> 

Try

*************
sysuse auto, clear

 

glo M_1 "weight trunk tu"
glo M_2 "tr disp"                                                

forv i=1/2{
	 logit for \$M_`i'
}
*************

and http://www.stata.com/support/faqs/lang/backslash.html



HTH
Martin

-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Leila Ben Aoun
Gesendet: Mittwoch, 10. Juni 2009 09:20
An: statalist@hsphsun2.harvard.edu
Betreff: st: problem with macro in a loop

Hi,

I have a problem because I have many variables to put in my regression
and with an excel file I have managed to prepare all the combination I
want to put in my logistic regression. I named all my "X" in global
macros such as M_1 M_2 .. M_150
global 	M_149	"level_0 level_1 level_2 level_3  skill_50pct
marche_national emp20_49 emp50_99
emp100etplus	nace17_1	nace17_2	nace17_3	"
global 	M_149	"scale_ICT_internet int_emp07  skill_50pct
marche_national emp20_49 emp50_99
emp100etplus	nace17_1	nace17_2	nace17_3	"
global 	M_150	"scale_ICT_internet int_emp07_d	 skill_50pct
marche_national size size2 nace17_1 nace17_2	nace17_3	"

but then :

local i = 1
while `i'<177 {
	logit  Y  $M_`i'
	estimates store logit_M_`i' , title(M_`i')
	local i = `i'+1
	}

it doesn't work ! How can I deal with this? The problem is $M_1 in my
loop is only recognized as 1 but if I put $M_1 it works. But I don't
to copy paste at least 150 times !
Thanks for your help

-- 
Leila
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