[R] Bartlett's Test of Sphericity

[David Cross]

Yes, Bartlett's is not a good way to "justify" a PCA.

David Cross
d.cross at tcu.edu
www.davidcross.us




On Jun 18, 2011, at 1:47 AM, 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.grava at 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
>> 
>>        [[alternative HTML version deleted]]
>> 
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> 
> ______________________________________________
> R-help at 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.