Variable precision rough set theory and data discretisation: an application to corporate failure prediction

Malcolm J. Beynon and Michael Peel

Omega, 2001, vol. 29, issue 6, 561-576

Abstract: Since the seminal work of Pawlak (International Journal of Information and Computer Science, 11 (1982) 341-356) rough set theory (RST) has evolved into a rule-based decision-making technique. To date, however, relatively little empirical research has been conducted on the efficacy of the rough set approach in the context of business and finance applications. This paper extends previous research by employing a development of RST, namely the variable precision rough sets (VPRS) model, in an experiment to predict between failed and non-failed UK companies. It also utilizes the FUSINTER discretisation method which neglates the influence of an 'expert' opinion. The results of the VPRS analysis are compared to those generated by the classical logit and multivariate discriminant analysis, together with more closely related non-parametric decision tree methods. It is concluded that VPRS is a promising addition to existing methods in that it is a practical tool, which generates explicit probabilistic rules from a given information system, with the rules offering the decision maker informative insights into classification problems.

Keywords: Data; mining; Failure; prediction; FUSINTER; data; discretisation; Rough; set; theory; Variable; precision; rough; set; theory (search for similar items in EconPapers)
Date: 2001
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Citations: View citations in EconPapers (23)

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