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
[email protected]
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Nick Cox
> Sent: 22 November 2004 19:46
> To: [email protected]
> 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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