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From | Léon Stam <stamleon@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: RE: How to creata a database for stata and country dummies |
Date | Thu, 9 Dec 2010 14:07:04 +0100 |
Maybe I used the wrong words, but It is no homework but an empirical research. Nevertheless thanks for your help. Leon On 9 dec 2010, at 13:35, Nick Cox wrote: > The Statalist FAQ is clear: > > "Please do not post homework questions, and please ignore any that are posted." > > Otherwise put, as this is, in your own words, an assignment, it appears that you should answer it yourself. > > Nick > n.j.cox@durham.ac.uk > > Léon Stam > > I try to keep it short. For my assignment I have the dependent variable value added and the independent variables R&D expenditure and unit labor cost for 15 countries and 20 years. > I have to make a ordinary least square regression (OLS) with a country dummy variable. > Now I don't know exactly how to make my database and how to make a country dummy. Now I have the years on the vertical axes and on the horizontal axes R&D expenditure per country (R&D germany, R&D france etc), I did this also for the unit labor costs. Or is it easier to put all the R&D expenditure in one column and make another column for the country? Do I have to make the dummy variable in my database or can I use Stata for creating this? > > > * > * 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/ * * 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/