An Optimal Criteria Selection in Efficiency Assessment Through Integration of DEA with Rough Set Theory

Ishu Dalal (), Shivi Agarwal () and Trilok Mathur ()
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Ishu Dalal: Birla Institute of Technology and Science
Shivi Agarwal: Birla Institute of Technology and Science
Trilok Mathur: Birla Institute of Technology and Science

A chapter in Advances in the Theory and Practice of Data Envelopment Analysis, 2025, pp 42-51 from Springer

Abstract: Abstract Data Envelopment Analysis (DEA) is a prominent nonparametric technique used to assess the efficiency of decision-making units (DMUs) by using multi criteria. However, traditional DEA models can be significantly impacted by criteria that do not contribute significantly to the efficiency analysis, thereby reducing accuracy and discriminatory power. Additionally, for DEA models to produce reliable results, the number of DMUs should be greater than the number of criteria included. This paper introduces a Rough Data Envelopment Analysis (RDEA) approach, which integrates Rough Set Theory (RST) with DEA to effectively handle this problem. RST is used by the RDEA framework to find and remove less contributing criteria from the input and output data in efficiency analysis. RST generates lower and upper approximations which helps in identifying criteria that are not significantly contributing to the efficiency analysis. Once these criteria have eliminated from the data set, the DEA models may be utilized to provide a more accurate and reliable efficiency evaluation of DMUs. This theoretical framework leverages the capabilities of RST to streamline input and output data, enhancing the effectiveness of DEA in evaluating efficiency. Also, a numerical example is provided to show implementation of this method.

Keywords: DEA; Rough set theory; Efficiency; MCDM (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/978-3-031-98177-7_4

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