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From | Richard Goldstein <richgold@ix.netcom.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: loop with egen |
Date | Fri, 08 Feb 2013 08:37:22 -0500 |
whoops ... forgot to note that you also need to supply new varnames e.g., egen mean`v' = ... Rich On 2/8/13 8:35 AM, Richard Goldstein wrote: > you need to supply a varlist as in > > foreach v of var mpg turn weight { > > Rich > > On 2/8/13 8:29 AM, Nahla Betelmal wrote: >> Dear Statalist, >> >> I am trying to generate the mean and standard deviation for more than >> 30 variables. I tried to do that using the following loop >> >> foreach v of var { >> egen mean = mean(`v') >> egen sd = sd(`v') >> } >> >> however, it only generate the mean and standard deviation for the >> first variable only. >> >> I got this message :mean already defined >> r(110); >> >> what should I add to the loop , so it can generate the mean and >> standard deviation for each variable in separate column? >> >> Many thanks >> >> Nahla * * 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/