[SciPy-user] help with scipy.stats.mannwhitneyu
Thu Feb 5 12:03:34 CST 2009
On 2/5/2009 6:46 PM, firstname.lastname@example.org wrote:
> so whether bigU or smallU is used in the calculation of z doesn't
> matter, I have no idea why in this specific implementation both are
> calculated if smallU would be enough.
By the way, there is a fucntion scipy.stats.ranksums that does a
Wilcoxon rank-sum test. It seems to be using a large-sample
approximation, and has no correction for tied ranks.
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