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Finding a Common Set of Weights by the Fuzzy Entropy Compared with Data Envelopment Analysis - A Case Study

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 267
Year: 2010
COI code: JR_IJIEPR-21-2_004
Paper Language: English

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Authors Finding a Common Set of Weights by the Fuzzy Entropy Compared with Data Envelopment Analysis - A Case Study

  R. Tavakkoli-Moghaddam - is a professor in Department of Industrial Engineering, College of Engineering, University of Tehran,
  S. Mahmoodi - received her master degree in Industrial Engineering from Islamic Azad University – South Tehran Branch, Tehran, Iran,


A data envelopment analysis (DEA) method can be regarded as a useful management tool to evaluate decision making units (DMUs) using multiple inputs and outputs. In some cases, we face with imprecise inputs and outputs, such as fuzzy or interval data, so the efficiency of DMUs will not be exact. Most researchers have been interested in getting efficiency and ranking DMUs recently. Models of the traditional DEA cannot provide a completely ranking of efficient units; however, it can just distinguish between efficient and inefficient units. In this paper, the efficiency scores of DMUs are computed by a fuzzy CCR model and the fuzzy entropy of DMUs. Then these units are ranked and compared with two foregoing procedures. To do this, the fuzzy entropy based on common set of weights (CSW) is used. Furthermore, the fuzzy efficiency of DMUs considering the optimistic level is computed. Finally, a numerical example taken from a real-case study is considered and the related concept is analyzed.


Data envelopment analysis, Entropy, Common set of weights (CSW),Decision making units

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COI code: JR_IJIEPR-21-2_004

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Tavakkoli-Moghaddam, R. & S. Mahmoodi, 2010, Finding a Common Set of Weights by the Fuzzy Entropy Compared with Data Envelopment Analysis - A Case Study, International Journal of Industrial Engineering & Production Research 21 (2), the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Tavakkoli-Moghaddam, R. & S. Mahmoodi, 2010)
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Type: state university
Paper No.: 55403
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