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Verbal Ordinal Classification with Multicriteria Decision Aiding
Dept. of Mathematical Information Technology, University of Jyväskylä.
2008 (English)In: Central European Journal of Operations Research, ISSN 1435-246X, E-ISSN 1613-9178, Vol. 185, no 3, 964-983 p.Article in journal (Refereed) Published
Abstract [en]

Professionals in neuropsychology usually perform diagnoses of patients behaviour in a verbal rather than in a numerical form. This fact generates interest in decision support systems that process verbal data. It also motivates us to develop methods for the classification of such data. In this paper, we describe ways of aiding classification of a discrete set of objects, evaluated on set of criteria that may have verbal estimations, into ordered decision classes. In some situations, there is no explicit additional information available, while in others it is possible to order the criteria lexicographically. We consider both of these cases. The proposed Dichotomic Classification (DC) method is based on the principles of Verbal Decision Analysis (VDA). Verbal Decision Analysis methods are especially helpful when verbal data, in criteria values, are to be handled. When compared to the previously developed Verbal Decision Analysis classification methods, Dichotomic Classification method performs better on the same data sets and is able to cope with larger sizes of the object sets to be classified. We present an interactive classification procedure, estimate the effectiveness and computational complexity of the new method and compare it to one of the previously developed Verbal Decision Analysis methods. The developed and studied methods are implemented in the framework of a decision support system, and the results of testing on artificial sets of data are reported.

Place, publisher, year, edition, pages
Elsevier , 2008. Vol. 185, no 3, 964-983 p.
Keyword [sv]
multiple criteria analysis; decision support systems; verbal decision analysis; dichotomic classification; neuropsychological diagnostics
National Category
URN: urn:nbn:se:kth:diva-75566DOI: 10.1016/j.ejor.2006.03.058ISI: 000251070500006OAI: diva2:490605
Available from: 2012-02-08 Created: 2012-02-06 Last updated: 2012-02-08Bibliographically approved

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Miettinen, Kaisa
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