Two Sample Wilcoxon-Mann-Whitney Rank Sum Test Allowing For Correlation
Source:R/zenith.R
      dot-rankSumTestWithCorrelation.RdSame as limma::.rankSumTestWithCorrelation, but returns effect size.
Arguments
- index
- any index vector such that - statistics[index]contains the values of the statistic for the test group.
- statistics
- numeric vector giving values of the test statistic. 
- correlation
- numeric scalar, average correlation between cases in the test group. Cases in the second group are assumed independent of each other and other the first group. 
- df
- degrees of freedom which the correlation has been estimated.