Comparing a Genetic Fuzzy and a Neurofuzzy Classifier for Credit Scoring

Hoffmann, F., Baesens, B., Martens, J., Put, F. and Vanthienen, J. (2002) Comparing a Genetic Fuzzy and a Neurofuzzy Classifier for Credit Scoring. International Journal of Intelligent Systems, 17 (11), 1067-1083. (doi:10.1002/int.10052).

Abstract

In this paper, we evaluate and contrast two types of fuzzy classifiers for credit scoring. The first classifier uses evolutionary optimization and boosting for learning fuzzy classification rules. The second classifier is a fuzzy neural network that employs a fuzzy variant of the classic backpropagation learning algorithm. The experiments are carried out on a real life credit scoring data set. It is shown that, for the case at hand, the boosted genetic fuzzy classifier performs better than both the neurofuzzy classifier and the well-known C4.5(rules) decision tree(rules) induction algorithm. However, the better performance of the genetic fuzzy classifier is offset by the fact that it infers approximate fuzzy rules which are less comprehensible for humans than the descriptive fuzzy rules inferred by the neurofuzzy classifier.

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Contributors

Author: B. Baesens

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