Relationship between Event Prevalence Rate and Gini Coefficient of Predictive Model

Fei Han and Ian Stockwell

Journal of Mathematics Research, 2022, vol. 14, issue 1, 46

Abstract: Predictive models are currently used for early intervention to help identify patients with a high risk of adverse events. Assessing the accuracy of such models is a crucial part of the development process. To measure the predictive performance of a scoring model, quantitative indices such as the K-S statistic and C-statistic are used. This paper discusses the relationship between Gini coefficients and event prevalence rates. The main contribution of the paper is the theoretical proof of the relationship between the Gini coefficient and event prevalence rate.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:ibn:jmrjnl:v:14:y:2022:i:1:p:46

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