Newson, Roger - In: Stata Journal 6 (2006) 3, pp. 309-334
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 … association between the outcome and the predictor, adjusted for the confounders. The Stata 9 version of somersd uses the Mata …