[R] Wilcoxon Mann-Whitney Rank Sum Test in R
p.dalgaard at biostat.ku.dk
Wed Dec 21 08:30:56 CET 2005
P Ehlers <ehlers at math.ucalgary.ca> writes:
> > so a good guess at its definition is that it is obtained from W or one
> > of the others by subtracting the mean and dividing with the SD.
> With the SD adjusted for ties, of course. (See, e.g., Conover's book.)
...which is actually the exact SD, conditional on the set of tied
ranks, not just a correction term. See my discussion with Torsten a
month or so ago.
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