3. The method of claim 1 , wherein a sufficient disparity exists when a probability of the specific distribution being derived from a random sampling of the global distribution is small below a threshold value.
3. The method of claim 1 , wherein a sufficient disparity exists when a probability of the specific distribution being derived from a random sampling of the global distribution is small below a threshold value. 4. The method of claim 3 , wherein the probability is determined according to a chi square test of independence.