Newson, Roger - In: Stata Journal 6 (2006) 3, pp. 309-334
Somers' D is an asymmetric measure of association between two variables, which plays a central role as a parameter … somersd package allows the estimation of Somers’ D and Kendall’s tau-a with confidence limits as well as p-values. The Stata 9 … version of somersd can estimate extended versions of Somers' D not previously available, including the Gini index, the …