[R] Bartlett's Test of Sphericity

[(Ted Harding)]

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.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

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Date: 18-Jun-11                                       Time: 09:48:13
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