[R] V-value in the wilcox.test resp. wilcox.exact
Jan Malte Wiener
jan.wiener at tuebingen.mpg.de
Tue Oct 15 13:38:18 CEST 2002
hi,
when performing a wilcox.test or a wilcox.exact i get results that looks
like this:
wilcox.exact(x, mu=.5)
Exact Wilcoxon signed rank test
data: x
V = 207, p-value = 0.0006905
alternative hypothesis: true mu is not equal to 0.5
the way i understand the wilcox.test (or wilcox.exact) the V-value
represents the summed up ranks of either the positive or negative
differences, whichever sum is BIGGER.
to actually look up the p-value in a table (and to quote it in a
publication) i need the T value, which to my understanding is the summed
up ranks of either the positive or negative differences, whichever sum
is SMALLER.
so i guess my question is: how do i get the T-value
thanks,
jan
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