PDI: Stata module to calculate the polytomous discrimination index (PDI)

Wang, Chao [Software producer] (2022) PDI: Stata module to calculate the polytomous discrimination index (PDI). RePEc IDEAS.

Abstract

This program calculates the polytomous discrimination index (PDI) which was proposed by Calster et al. (2012). PDI extends the binary discrimination measure, the c-statistic or area under the ROC curve (AUC), to nominal settings.

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