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RE: st: RE: RE: Re: chi squared matrix


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: RE: Re: chi squared matrix
Date   Mon, 22 Nov 2004 19:55:58 -0000

Actually, the property that chi-square test on a variable 
and itself returns n is more general, and not 
specific to a binary variable. I never noticed
that before, but I never did the calculation before. 

Nick 
n.j.cox@durham.ac.uk 

> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of Nick Cox
> Sent: 22 November 2004 19:46
> To: statalist@hsphsun2.harvard.edu
> Subject: RE: st: RE: RE: Re: chi squared matrix
> 
> Chi-square on a binary variable and itself returns 
> the number of observations. This is an ineluctable 
> algebraic consequence of what is being done. 
> 

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