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From | Wameq Raza <wameq.r@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: Batch renaming variables |
Date | Thu, 18 Oct 2012 16:03:33 +0200 |
Hi again David, As I mentioned, I'm not sure I understand this syntax enough to be able to manipulate it and was wondering if you could kindly help me a little more. Here's my exact problem: The variables I have start from v0915 and continue to v1005 and I need to rename every 5th variable in this list starting from v0917. The variables to be renamed to are: cost_a, cost_b....cost_n. How would I modify the syntax you sent me for this scenario? Best Wameq On Thu, Oct 18, 2012 at 3:50 PM, David Kantor <kantor.d@att.net> wrote: > At 09:36 AM 10/18/2012, Wameq Raza wrote: >> >> Hi everyone, >> I'm having some trouble trying to figure out how to do batch renames. >> To elaborate, suppose I have 10 variables: v1, v2....v10 and I want to >> rename every second var (ie v2, v4, v6, v8 and v10) to cost_a, >> cost_b....cost_e. Can anyone please help me figure this out? I've >> tried looking into renvars, but can't seem to figure it out. > > > If there are only five renames, I would just write them out. > But if you want a programmatic solution (as maybe there are really many more > renames)... > (untested) > > local suffixes "a b c d e" > > forvalues jj = 1/5 { > ren v`=`jj'*2' cost_`=word("`suffixes'", `jj')' > } > > ---- > Another way of getting the suffixes (a, b, c,...) is to use > char(96+ `jj') > but you need to be careful not to exceed jj=26. > But that's true in any case. > > HTH > --David > > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ -- W A M E Q R A Z A * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/