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Título : Fuzzy credit risk scoring rules using FRvarPSO
Autor : Jimbo, Patricia
Lanzarini, Laura
Bariviera, Aurelio F.
Palabras clave : FUZZY RULES
Fecha de publicación : dic-2018
Editorial : Quito
Citación : Jimbo P., Lanzarini L., Bariviera A. (2018).Fuzzy credit risk scoring rules using FRvarPSO. International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, 26 (1), pp: 39-57
Resumen : There is consensus that the best way for reducing insolvency situations in nancial institutions is through good risk management, which involves a good client selection process. In the market, there are methodologies for credit scoring, each analyzing a large number of microeconomic and/or macroeconomic variables selected mostly depending on the type of credit to be granted. Since these variables are heterogeneous, the review process carried out by credit analysts takes time. The objective of this article is to propose a solution for this problem by applying fuzzy logic to the creation of classi cation rules for credit granting. To achieve this, linguistic variables were used to help the analyst interpret the information available from the credit o cer. The method proposed here combines the use of fuzzy logic with a neural network and a variable population optimization technique to obtain fuzzy classi cation rules. It was tested with three databases from nancial entities in Ecuador | one credit and savings cooperative and two banks that grant various types of credits. To measure its performance, three benchmarks were used: accuracy, number of classi cation rules generated, and antecedent length. The results obtained indicate that the hybrid model that is proposed performs better than its previous versions due to the addition of fuzzy logic. At the end of the article, our conclusions are discussed and future research lines are suggested.
URI : http://www.dspace.uce.edu.ec/handle/25000/17353
ISSN : 0218-4885
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