I need the U values of Mann-Whitney test, but the wilcox.test in R outputs only W values. I do not think they are identical, so here is my question - how to convert W to U?
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?wilcox.test) makes it clear that the W that is calculated there is the same as the most common definition of U. What's your definition for U and why do you think it differs from the W there? – Glen_b Apr 07 '14 at 00:06