A Conservative Approach to Assessment of Discriminatory Models

Varování

Publikace nespadá pod Ekonomicko-správní fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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KOLÁČEK Jan ŘEZÁČ Martin

Rok publikování 2011
Druh Článek ve sborníku
Konference Workshop of the Jaroslav Hájek Center and Financial Mathematics in Practice I, Book of short papers
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Obor Obecná matematika
Klíčová slova Credit scoring; Quality indexes; Gini index; Lift
Popis Lenders, such as banks and credit card companies, use credit scoring to evaluate the potential risk posed by lending money to consumers. Once a scoring model is available, it is natural to measure its quality. To evaluate the effectiveness of credit scoring models, it is possible to use quantitative indexes such as Gini index, K-S statistics, Lift, Information statistics etc. The paper deals with mentioned quality indexes, their properties and relationships. Finally, a new approach to measure power of scoring models is discussed and a new quality index is proposed. Also an application of mentioned theory on simulated data set is demonstrated.
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