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Re: st: RE: loops


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: loops
Date   Wed, 21 Dec 2011 11:35:35 +0000

Apart from my comments in my earlier reply, note that there is a typo
here, so this would not work as posted. You would need

local i = `i' + 1

or

local ++i

Nick


On Wed, Dec 21, 2011 at 11:22 AM, Jesper Lindhardsen
<JESLIN01@geh.regionh.dk> wrote:
> Hi there
>
> You seem to miss to increment local I in your loop, eg, add
>
> local i=i+1
>
> before exiting the loop.
>
> Hth,
>
> Jesper
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Hawal Shamon
> Sent: 21 December 2011 12:10
> To: statalist@hsphsun2.harvard.edu
> Subject: st: loops
>
>
>
> Dear all!
>
> I have problems in finding the correct syntax for a nested loop.
>
> I
>  have the string variables AB01_01, AB01_02, ..., AB01_30 and like to
> encode and rename them at the same time. Renaming is necessary to get
> rid of the "_" in the variables name. Do the result is supposed to be
> AB0101, AB0102, ..., AB0130.
>
> I tried it with:
>
> local i 1
> while `i' <=30 {
> foreach var of varlist AB01_01-AB01_30 {
> encode `var', gen(AB01`i')
> }
> }
>
> and received the following error message:
> .AB011 already defined
>
> I understand the problem. However, I have no clue how to avoid this
> problem.
>

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