Non-additive robust ordinal regression: A multiple criteria decision model based on the Choquet integral |
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Authors: | Silvia Angilella Salvatore Greco Benedetto Matarazzo |
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Institution: | Department of Economics and Quantitative Methods, Faculty of Economics, University of Catania, Corso Italia 55, I-95129 Catania, Italy |
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Abstract: | Within the multicriteria aggregation–disaggregation framework, ordinal regression aims at inducing the parameters of a decision model, for example those of a utility function, which have to represent some holistic preference comparisons of a Decision Maker (DM). Usually, among the many utility functions representing the DM’s preference information, only one utility function is selected. Since such a choice is arbitrary to some extent, recently robust ordinal regression has been proposed with the purpose of taking into account all the sets of parameters compatible with the DM’s preference information. Until now, robust ordinal regression has been implemented to additive utility functions under the assumption of criteria independence. In this paper we propose a non-additive robust ordinal regression on a set of alternatives A, whose utility is evaluated in terms of the Choquet integral which permits to represent the interaction among criteria, modelled by the fuzzy measures, parameterizing our approach. |
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Keywords: | Multiple criteria decision analysis Interacting criteria Choquet integral Non-additive robust ordinal regression Aggregation&ndash disaggregation approach |
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