On Aug 26, 2009, at 7:18 AM, Mcdonald, Grant wrote:
Dear Sir,
I am comparing two samples using wilcox.test in R. Literature
appears to describe mann whitney u test as the most appropriate test
to use on my data.
is the wilcox.test function equivalent to mann-whitney u?
When used in its two-sample mode the answer is yes.
Is there a way to gain the U-value as apposed to the W-value in R?
Answering that question was as simple as going to :
http://search.r-project.org/nmz.html
.... typing in mann-whitney u
... and a few clicks.
Try it yourself.
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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