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RE: st: tests of sphericity

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   RE: st: tests of sphericity
Date   Thu, 2 Oct 2003 11:21:51 +0100

David Airey
> I think you are right and that nobody has written a program for 
> Mauchley's test of sphericity. The test is available in other 
> statistical packages. In searching a little I did not find 
> a readable 
> account on what Mauchly's test actually does or how I might 
> program it 
> myself. Do you know the original reference?

Mauchly, J.W. 1940. Significance test for sphericity of a 
normal n-variate distribution. Annals of Mathematical 
Statistics 11: 204-209. 

For every person who thinks "Mauchly's test of sphericity" 
there must be a hundred who think John W. Mauchly, principal 
inventor with J. Presper Eckert of ENIAC and thus one of 
the founders of modern computing... 

Among many, many websites see

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