Incomplete pairwise comparative judgments: Recent developments and a proposed method

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Abstract

The current paper deals with incomplete Pairwise Comparisons (‘PWs’) when a large number of alternatives is evaluated. PWs are used to quantify decision maker's preferences, both ordinal and cardinal, in multi-criteria decision-making settings for eliciting the priorities of alternative options or weights of criteria. We use additive PWs with a different scale and show how 2-diagonal samples are used to deduce the implied weights thus prioritizing the alternatives. As a consequence, the number of PWs in incomplete judgment decision matrices is greatly reduced while preserving consistency and quality of the results. Computational results are provided and an example from the literature is applied to demonstrate the effectiveness of this method.

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Alrasheedi, M. A. (2019). Incomplete pairwise comparative judgments: Recent developments and a proposed method. Decision Science Letters, 8(3), 261–274. https://doi.org/10.5267/j.dsl.2019.1.002

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