Journal
APPLIED MATHEMATICAL MODELLING
Volume 38, Issue 17-18, Pages 4512-4527Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2014.02.023
Keywords
Complex multi-attribute large-group decision-making (CMALGDM); Interval-valued intuitionistic fuzzy (IVIF) environment; Two-stage method; Partial least squares (PLS) path modelling
Funding
- National Natural Science Foundation of China (NSFC) [71102072, 70921001, 71172148, 71231006, 71271143]
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In the complex multi-attribute large-group decision-making (CMALGDM) problems in interval-valued intuitionistic fuzzy (IVIF) environment, attributes of the alternatives are often stratified and correlated. This paper proposes a decision-making method for these problems based on partial least squares (PLS) path modelling, which not only fully exploits the decision information of decision makers (DMs), but also effectively addresses the relativity problem in the decision attributes and objectively assigned weights to the primary decision attributes (i.e., latent variables for decision making). The method can be outlined in three steps. First, a two-stage method is proposed to transform the interval-valued intuitionistic fuzzy number (IVIFN) samples into single-valued samples. In this step, an improved C-OWA operator is first given to transform the IVIFN samples into intuitionistic fuzzy number (IFN) samples, which makes the preference information of the DMs more objectively aggregated. Then a proposed membership-based method is applied to reduce the information loss and transform the IFN samples into single-valued samples. Second, the estimated values and weights of the latent variables for decision-making are obtained by means of the PLS path modelling algorithm. Finally, a multi-alternative sorting method is devised in accordance with the estimated values and weights. An example is provided to illustrate the proposed technique and evaluate its feasibility and validity. (C) 2014 Elsevier Inc. All rights reserved.
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