A Variance-Based Consensus Degree in Group Decision Making Problems
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2019-01-08
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Abstract
The variance is a well-known statistical measure and is frequently used for the calculation of variability. This concept can be used to obtain the degree of agreement in groups that have to make decisions. In this study, we propose the use of a variance derivative as an alternative for the calculation of the degree of consensus for Group Decision Making problems with fuzzy preference relations. As revealed by a subsequent comparative study, the values obtained by this new method are comparable to the values obtained by means of frequently used methods that employ distance functions and aggregation operators, while it turns out to be a simpler application method.
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Intelligent Decision Systems Based on Soft Computing, Decision Analytics, Mobile Services, and Service Science, Comparative study, consensus, group decision making problems, fuzzy preference relations, variance
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7 pages
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Proceedings of the 52nd Hawaii International Conference on System Sciences
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Attribution-NonCommercial-NoDerivatives 4.0 International
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