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| From | Oliver Jones <ojones@wiwi.uni-bielefeld.de> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: Calculating SD of a variable |
| Date | Fri, 20 May 2011 13:07:08 +0200 |
Am 20.05.2011 13:01, schrieb Oliver Jones:
Leave out the variable year in the by() option and that should do what you want.
Or leave out the variable countryno. It depends on your aim: - sd over time for each country , or - sd over countries for each year Best Oliver * * 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/