To add to Jeremy's comment below: The Bartlett test is very sensitive to non-normality in the data, so can readily give "significant" results even for non-correlated data.
Ted. On 18-Jun-11 06:47:52, Jeremy Miles wrote: > cortest.bartlett() in the psych package. > > I've never seen a non-significant Bartlett's test. > > Jeremy > > > > On 17 June 2011 12:43, thibault grava <thibault.gr...@gmail.com> wrote: >> Hello Dear R user, >> >> I want to conduct a Principal components analysis and I need to >> run two tests to check whether I can do it or not. I found how >> to run the KMO test, however i cannot find an R fonction for the >> Bartlett's test of sphericity. Does somebody know if it exists? >> >> Thanks for your help! >> >> Thibault -------------------------------------------------------------------- E-Mail: (Ted Harding) <ted.hard...@wlandres.net> Fax-to-email: +44 (0)870 094 0861 Date: 18-Jun-11 Time: 09:48:13 ------------------------------ XFMail ------------------------------ ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.