Re: st: RE: local variable within a global macro?

["Vimalanand S. Prabhu" <prabhu@unc.edu>]

Dear Nishant,

I had actually used `$X`p'' when X was defined as a local (as Kris has 
shown). I just checked my code, and it does not work for global.

Thanks,

Prabhu

De Swerdt, Kris wrote:

> Is it necessary for the X's to be global macros?
> Why not make them locals as well:
> local X2 "age2 weight2 height2"
> local X3 "age3 weight3 height3"
> ...
> local X11 "age11 weight11 height11"
>
> and then:
> forvalues n = 1/10 {
> 	local p = `n' + 1
> 	reg y`n' `X`p''
> }	
>
> regards,
> Kris
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nishant Dass
> Sent: 29 August 2006 14:55
> To: STATA Help
> Subject: st: local variable within a global macro?
>
> Dear list-members, 
> I have a small (or so it seems) problem with a loop (shown
> below).  
> I start by generating a few global macros:
> global X2 "age2 weight2 height2"
> global X3 "age3 weight3 height3"
> ...
> global X11 "age11 weight11 height11"
>
> Then I try to run the following set of regressions using a
> loop:
> forvalues n = 1/10 {
> 	local p = `n' + 1
> 	reg y`n' $X`p'
> }
>
> However, this isn't executed due to an error that says "2
> invalid name" (i.e., it's referring to some problem in the
> way I have used `p' in $X`p'.)
>
> Could anyone please tell me what would be the correct way
> to do this?  
> Thank you very much for your help.
>
> Nishant
>
>
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