# Wilcoxon Rank-Sum

## Usage

Given two groups of subjects, determine if the the medians (NOT means)
of the two subject are significantly different at each node.

## Inputs

## Outputs

## Algorithm

## Notes

This test does not use the standard Wilcoxon Rank-Sum procedure.
Instead, the data are converted to ranks and fed into the two-sample
T-Test. This implementation is described in Rank
Transformations as a Bridge Between Parametric and Nonparametric
Statistics by W. J. Conover and Ronald L. Iman from The American Statistician, Vol 35,
No 3 (Aug., 1981), pp. 124-129.