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| From | "Lamla, Bettina" <Bettina.Lamla@rwi-essen.de> |
| To | "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |
| Subject | st: reporting results from a multiple imputed data set |
| Date | Wed, 20 Apr 2011 15:24:25 +0200 |
Hi everyone, I need a recommendation. I have a multiple imputed data set (N imputations) and with a set of dummy variables (M years). Let’s take year dummies as an example. Stata omits of the M year dummies due to collinearity. As it turns out it is not always the same year dummy in the N regressions. In conclusion, when I apply the Rubin Rule I get an estimate for all N year dummies. Which way is the correct one: Shall I just exclude one dummy prior to running the regressions or do I report (after application of the Rubin Rule) coefficients for all M dummies? I hope I made myself clear. Thanks! Rheinisch-Westfälisches Institut für Wirtschaftsforschung e.V. (RWI) Hohenzollernstr. 1-3 D-45128 Essen Phone: +49-201-8149-0 Fax: +49-201-8149-200 Web: www.rwi-essen.de Executive Board/Vorstand: Prof. Dr. Christoph M. Schmidt, (Präsident), Prof. Dr. Thomas K. Bauer (Vizepräsident), Prof. Dr. Wim Kösters Registration-No./VR 1784 beim Amtsgericht Essen * * 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/