Robust ordinal regression for multiple criteria group decision: UTAGMS‐GROUP and UTADISGMS‐GROUP

Robust ordinal regression for multiple criteria group decision: UTAGMS‐GROUP and UTADISGMS‐GROUP

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Article ID: iaor20121389
Volume: 52
Issue: 3
Start Page Number: 549
End Page Number: 561
Publication Date: Feb 2012
Journal: Decision Support Systems
Authors: , , ,
Keywords: statistics: regression
Abstract:

We introduce the principle of robust ordinal regression to multiple criteria group decision, and we present two new methods using a set of additive value functions as a preference model, called UTAGMS‐GROUP and UTADISGMS‐GROUP. With respect to the set of decision makers (DMs), we consider two levels of certainty for the results. The first level is related to the necessary or possible consequences of indirect preference information provided by each DM, whereas the other refers to the subset of DMs agreeing for a specific outcome. In this way, we investigate spaces of consensus and disagreement between the DMs. The proposed methods are illustrated by examples showing how they can support real‐world group decision.

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