Find variance of permutations

A utility function to generate permutations

.PermutedVar(simulated.refCor, clusterCut, permutations, refClusterVar)

Arguments

simulated.refCor	Correlation matrix of simulated and reference data
clusterCut	The original cluster assignments
permutations	The number of permutations
refClusterVar	Reference Cluster Variance

Value

An array of dimension n.models by nClusters by permutations