Lin, R., Lin, J. S.-J., Chang, J., Tang, D., Chao, H., & Julian, P. C. (2008). Note on group consistency in analytic hierarchy process. European Journal of Operational Research, 190, 672–678.
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|Resource type: Journal Article
BibTeX citation key: Lin2008
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Keywords: aggregation of individual judgments (AIJ), group decision making
Creators: Chang, Chao, Julian, Lin, Lin, Tang
Collection: European Journal of Operational Research
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We study the paper of Xu [Z. Xu, On consistency of the weighted geometric mean complex judgement matrix in AHP, European Journal of Operational Research 126 (2000) 683–687] for the group consistency in analytic hierarchy process of multicriteria decision-making. The purpose of this note is threefold. First, we point out the questionable results in this paper. Second, for three by three comparison matrices, we provide a patchwork for his method. Third, we constructed a counter example to show that in general his method is wrong. Numerical examples are provided to illustrate our findings. If there are four or more alternatives, then we may advise researchers to ignore his results to avoid questionable estimation
of group consistency.