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Group Decision-Making Method with Incomplete Intuitionistic Fuzzy Soft Information for Medical Diagnosis Model

Author

Listed:
  • Huiping Chen

    (Department of Social Resources, Nantong University, Nantong 226019, China)

  • Yan Liu

    (School of Economics and Management, Huanghuai University, Zhumadian 463000, China)

Abstract

The medical diagnosis of many critical diseases is difficult as it usually requires the combined effort of several doctors. At this time, the process of medical diagnosis is actually a group decision-making (GDM) problem. In group medical diagnosis, considering doctors’ weight information and fusing the interaction relation of symptoms remain open issues. To address this problem, a group decision-making method for intuitionistic fuzzy soft environments is proposed for medical diagnosis because the intuitionistic fuzzy soft set (IFSS) integrates the advantages of the soft set and intuitionistic fuzzy set (IFS). Intuitionistic fuzzy soft weighted Muirhead mean operators are constructed by combining Einstein operations with the Muirhead mean (MM) operator, and some properties and results are revealed. A group medical diagnosis model with unknown doctor weight information and incomplete intuitionistic fuzzy soft information is proposed. Similarity measures of the intuitionistic fuzzy soft matrix (IFSM) given by the doctors are used to estimate the incomplete information. To take into account the advantages of objective weight and subjective weight, the combined weights of doctors are calculated based on the IFSMs’ similarity measure and doctors’ grades. The developed operators are then used to combine the evaluation information and handle the correlation of input arguments in the group medical diagnosis process. Finally, a numerical problem is selected to illustrate the superiority of the proposed approach compared to related methods. The combined weights are determined to overcome the shortcomings of the single-weight method to some extent. Meanwhile, the proposed method is more comprehensive, and can provide more flexible and reasonable choices for group medical diagnosis problems.

Suggested Citation

  • Huiping Chen & Yan Liu, 2024. "Group Decision-Making Method with Incomplete Intuitionistic Fuzzy Soft Information for Medical Diagnosis Model," Mathematics, MDPI, vol. 12(12), pages 1-26, June.
    • Handle: RePEc:gam:jmathe:v:12:y:2024:i:12:p:1823-:d:1413215
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    References listed on IDEAS

    as
    1. Harish Garg & Rishu Arora, 2018. "Bonferroni mean aggregation operators under intuitionistic fuzzy soft set environment and their applications to decision-making," Journal of the Operational Research Society, Taylor & Francis Journals, vol. 69(11), pages 1711-1724, November.
    2. Bahram Farhadinia & Ali Ahmadian, 2022. "A Divergence-Based Medical Decision-Making Process of COVID-19 Diagnosis," Mathematical Problems in Engineering, Hindawi, vol. 2022, pages 1-18, February.
    3. S. Abootalebi & A. Hadi-Vencheh & A. Jamshidi, 2018. "An Improvement to Determining Expert Weights in Group Multiple Attribute Decision Making Problem," Group Decision and Negotiation, Springer, vol. 27(2), pages 215-221, April.
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