Re: VMs: Gordon Rugg's study follow ups

[Dennis <tsalagi@xxxxxxxx>]

Jacques Guy wrote:

> > There is the chi-squared test, of course.  Jacques has 
> > mentioned the phi-squared test
>
> Phi, not phi-squared, and "statistics", not "test",
> since it is a measurement. Phi is just sqrt(chi2/N)

	Is it indeed true that phi is a measure of
the magnitude of an observed difference, in a way that
chi2 is not?

> Here we are rather after the certainty that there is
> a significant difference, so I'd favour chi2 in this
> particular case. I suspect that, run on the KJV against,
> say, Shakespeare's plays, it might, just might, find
> a significant difference, because of all those "and"
> in the KJV, which are literal translations of the 
> vav-consecutive construction of Hebrew.

	I wonder what chi2 you would see between two texts in the
same language by the same author but about different
subjects.  As I recall, the stylometric methods used in
the New Testament and Book of Mormon studies I mentioned
compared the frequencies of common words like "the", "and",
"where", "before", and the like.  If so, these
methods might well show the same chi2 for the two texts.
You should certainly do that as a control if you were to
make use of those methods on the VMs.

Dennis


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