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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. > * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/