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From | "Carlo Lazzaro" <carlo.lazzaro@tiscalinet.it> |
To | <statalist@hsphsun2.harvard.edu> |
Subject | st: R: Power Analysis |
Date | Sun, 4 Apr 2010 13:06:07 +0200 |
Dear Agge, in the light of the details you provide the list with, unless you intend to perform a two-sample comparison of proportions (ie, how many articles deserved to be mentioned out of the overall number of articles submitted for possible publication in the sample #1 and #2, respectively), your problem seems more a matter of logistic regression (please, see -help logit- in Stata 9.2/SE)than power analysis. However, should power analysis be the focus of your reserch, please take a look at -help sampsi- in Stata 9.2/SE. For more details about this issues, I would refer to: Long JS, Freese J. Regression Models for Categorical Dependent Variables Using Stata. 2nd Ed. College Station, TX: Stata Press, 2006; http://www.indiana.edu/~statmath/stat/all/power/index.html. HTH and Kind Regards, Carlo -----Messaggio originale----- Da: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] Per conto di Aggie Chidlow Inviato: sabato 3 aprile 2010 22.39 A: statalist@hsphsun2.harvard.edu Oggetto: st: Power Analysis Hi, I am working on a paper where I am investigating if researchers that published papers between 2000 - 2008 with mail survey data in 4 top rated journals in economics report a certain framework (measured as 0 = mentioned ; 1 = not mentioned). Can somebody advise me on how to undertake a power analysis for this, please? Many thanks in advance. Agge * * 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/