Gini correlation measures the dependence between two random variables, whos
e properties are a mixture of Pearson's and Spearman's correlations. For an
y given marginal distributions, the range of Gini correlation is [-1, 1]. (
This property does not hold for Pearson's correlation). Some possible appli
cations are given. (C) 1999 Elsevier Science S.A. All rights reserved.