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| From | <carlo.lazzaro@tiscalinet.it> |
| To | <statalist@hsphsun2.harvard.edu> |
| Subject | st: Formula of F test for Wilk's lambda in MANOVA |
| Date | Thu, 12 Jan 2012 10:25:16 +0100 |
Dear Statalisers, in the .pdf manual of Stata 12 (page 374), the following formula of F test for Wilk's lambda is reported: F=((1-Lambda^1/t)*df1)/((Lambda^1/t)*df2). However, taking a look at the same test in Rencher AC. Methods of Multivariate Analysis.2nd ed. Wiley, 2002: 163, the formula turns the degrees of freedom upside down: F=((1-Lambda^1/t)*df2)/((Lambda^1/t)*df1). Where's the bug, if any? Thanks a lot and Kindest Regards, Carlo * * 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/