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Назив: A model for determiningweight coefficients by forming a non-decreasing series at criteria significance levels (NDSL)
Аутори: Žižović, Mališa
Pamucar, Dragan
Ćirović, Goran
Žižović, Miodrag
Miljković, Boža
Часопис: Mathematics
Датум издавања: 1-мај-2020
Сажетак: © 2020 by the authors. In this paper, a new method for determining weight coefficients by forming a non-decreasing series at criteria significance levels (the NDSL method) is presented. The NDLS method includes the identification of the best criterion (i.e., the most significant and most influential criterion) and the ranking of criteria in a decreasing series from the most significant to the least significant criterion. Criteria are then grouped as per the levels of significance within the framework of which experts express their preferences in compliance with the significance of such criteria. By employing this procedure, fully consistent results are obtained. In this paper, the advantages of the NDSL model are singled out through a comparison with the BestWorst Method (BWM) and Analytic Hierarchy Process (AHP) models. The advantages include the following: (1) the NDSL model requires a significantly smaller number of pairwise comparisons of criteria, only involving an n-1 comparison, whereas the AHP requires an n(n-1)/2 comparison and the BWM a 2n-3 comparison; (2) it enables us to obtain reliable (consistent) results, even in the case of a larger number of criteria (more than nine criteria); (3) the NDSL model applies an original algorithm for grouping criteria according to the levels of significance, through which the deficiencies of the 9-degree scale applied in the BWM and AHP models are eliminated. By doing so, the small range and inconsistency of the 9-degree scale are eliminated; (4) while the BWM includes the defining of one unique best/worst criterion, the NDSL model eliminates this limitation and gives decision-makers the freedom to express the relationships between criteria in accordance with their preferences. In order to demonstrate the performance of the developed model, it was tested on a real-world problem and the results were validated through a comparison with the BWM and AHP models.
URI: https://scidar.kg.ac.rs/handle/123456789/12858
Тип: Article
DOI: 10.3390/MATH8050745
SCOPUS: 85085605348
Налази се у колекцијама:Faculty of Technical Sciences, Čačak
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