> >(positivity in disease, and negativity in health) are unaffected by
> >prevalence: however the negative predictive value, (the post-test
> >probability of being healthy if you have a negative test), actually
> >falls if the prevalence rises, so the answer to mary's
> question is that
blah blah...............
george wrote:
> Doesn't this speak volumes about the 'mathematical masturbation'
that<snip>
chalked in big letters in the car park yesterday:
'doctores (sic) are wankers'
wasn't you George was it?
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