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Wilcoxon rank sum test

` p = ranksum(x,y)` returns
the

`[ p,h] =
ranksum(x,y)`
also returns a logical value indicating the test decision. The result

`[ p,h,stats]
= ranksum(x,y)` also
returns the structure

`[___] = ranksum( x,y,Name,Value)` returns
any of the output arguments in the previous syntaxes, for a rank sum
test with additional options specified by one or more

[1] Gibbons, J. D., and S. Chakraborti. *Nonparametric
Statistical Inference*, 5th Ed., Boca Raton, FL: Chapman
& Hall/CRC Press, Taylor & Francis Group, 2011.

[2] Hollander, M., and D. A. Wolfe. *Nonparametric
Statistical Methods*. Hoboken, NJ: John Wiley & Sons,
Inc., 1999.

`kruskalwallis` | `signrank` | `signtest` | `ttest2 `

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