Re: st: RE: Overlapping Loops

[Bader Alhashel <balhashel@gmail.com>]

Thanks for getting back to me Nick. Please bare with me as I am not
quite affluent in Stata's programming.

numberofpeople1 up to numberofpeople17 are numeric variables. Do you I
need to define it?

On Wed, Jan 18, 2012 at 2:45 PM, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> That's not a problem so far as I can see. Consider first time round the outer loop, so `i' = 1.
>
> The inner statements become
>
> gen ceo_photo1 = 0 if photo1==1
>
> forvalues j=1/numberofpeople1 {
>        replace ceo_photo1=1 if ceo == name`j'_photo1 & ceo_photo1==0
> }
>
> The thing that looks odd now is -numberofpeople1-. Tell us where you define it and what it is.
>
> Similarly, what are -numberofpeople2- ... -numberofpeople17-?
>
> Basically, it doesn't matter what they are, variables or scalars, as -forval- expects to see an actual number at that place. You could evaluate something on the fly, but that's a different technique.
>
> Nick
> n.j.cox@durham.ac.uk
>
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Bader Alhashel
> Sent: 18 January 2012 19:27
> To: statalist
> Subject: st: Overlapping Loops
>
> I am trying to write two over lapping "foreach" loops however I keep
> getting an invalid syntax error. I don't know why but I am guessing it
> is because of the local macro in the first loop is not recognized in
> the second loop. This is the code I am trying to run.
>
> forvalues i = 1/17 {
> gen ceo_photo`i'=0 if photo`i'==1
> forvalues j=1/numberofpeople`i' {
> replace ceo_photo`i'=1 if ceo == name`j'_photo`i' & ceo_photo`i'==0
> }
> }
>
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