搜索结果: 1-15 共查到“数学 DEA”相关记录20条 . 查询时间(0.093 秒)
基于CAR-DEA方法的环境效率评价研究
数据包络分析 不期望产出 保证域 CAR-DEA
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2012/8/3
现有环境效率评价的DEA方法没有考虑多维偏好约束问题，即不同决策单元对不同期望产出和不期望产出的偏好不同. 以地区为例，不同地区对GDP、废水和废气赋予的权重偏好各不相同. 在这种情况下，由于各决策单元的偏好约束不同，形成多维偏好约束集，在传统DEA模型中容易出现无可行解现象. 针对这一问题，基于CAR-DEA方法，结合保证域理论，提出一种解决多维偏好约束集问题的环境效率评价模型. 采用中国工业系...
基于DEA方法的地区新型工业化水平评价
DEA 新型工业化 相对有效性 评价
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2011/11/17
本文将DEA方法创新地应用于新型工业化水平的评价中。简要介绍了DEA模型，提出了DEA方法在新型工业化水平评价中的应用思路和过程，并结合江西省和全国部分省份的实际数据进行了纵向和横向的新型工业化水平评价的实证研究，对评价结果进行了分析，得出了一些科学依据。
A new method for ranking of fuzzy decision making units by FPR/DEA method
data envelopment analysis multi-attribute decision-making
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2010/11/1
The goal of multi-attribute decision-making problems is the ranking of units. In real world, we usually deal with in inexact data. So, there are various ways for ranking of decision making units in fu...
Evaluation of performance in network using DEA with undesirable and non-discretionary data
Network Data Envelopment Analysis Undesirable factors
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2010/9/25
Traditional studies in data envelopment analysis (DEA) view systems as a whole when measuring the efficiency, ignoring the operation of individual processes within a system. Furthermore DEA is a mathe...
Imprecise centralized resource allocation in DEA
Data envelopment analysis (DEA) Imprecise data Interval DEA model
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2010/9/25
The existing DEA model introduced for resource allocation that considered radial reductions of the total consumption of every input and total output production is guaranteed not to decrease defined fo...
A combined interval net DEA and BSC for evaluating organizational efficiency
balanced scorecard Data envelopment analysis Network flows
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2010/9/26
Measuring the performance of a production system has been an important task in management for purposes of control, planning, etc. Traditional studies in data envelopment analysis (DEA) view systems as...
A selective and gradual method for efficiency improvement of DEA models
Data Envelopment Analysis Efficiency Improvement algorithm
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2010/9/10
Basic-DEA models have ability to calculate performance targets for inefficient DMUs which are used for efficiency improvement approaches. Unfortunately, these improvement approaches aren't selective a...
Ranking decision making units in fuzzy-DEA using entropy
DEA Maximum entropy Ranking Weighting function
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2010/9/10
Data Envelopment Analysis (DEA) can be regarded as a useful management tool to the assessment evaluation of decision making units (DMUs) using multiple inputs to produce multiple outputs. In some case...
Sensitivity and stability analysis in DEA on interval data by using MOLP methods
Data envelopment analysis Sensitivity and radius stability analysis MOLP Interval dat
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2010/9/13
In this paper, we suppose a method for analyzing sensitivity and stability of all the decision making units, while inputs and outputs are interval data. Therefore, for estimating radius of stability o...
Stability of RTS of efficient DMUs in DEA with fuzzy u_0 under fuzzy data
Data Envelopment Analysis Fuzzy mathematical programming
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2010/9/15
An important property of production functions is the concept return to scale (RTS) as found in the literature. There are two common variations RTS in data envelopment analysis (DEA) used, constant ret...
Efficiency and effectiviencess rating of organization with combined DEA and BSC
Balanced scorecard Data envelopment analysis Network flows
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2010/9/14
Measuring the performance of a production system has been an important task in management for purposes of control, planning, etc. Traditional studies in data envelopment analysis (DEA) view systems as...
Sensitivity analysis with fuzzy data in DEA
DEA Fuzzy DEA Sensitivity analysis
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2010/9/14
One of the interesting topics in data envelopment analysis is the sensitivity analysis of the decision making units, under evaluation. In this paper we present a new method for sensitivity analysis of...
Efficiency and effectiveness in multi-activity network DEA model with fuzzy data
Data envelopment analysis Multi-activity network
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2010/9/17
In this paper, at first we introduce a multi-activity network DEA with fuzzy inputs and outputs (MNFDEA) then we make production possibility set with defined constrains. Objective function of this mul...
A generalized sensitivity analysis DEA model
Data envelopment analysis Sensitivity analysis
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2010/9/17
Sensitivity analysis in DEA is used for improving the efficiency scores of inefficient DMUs for which the efficient units remain unchanged. This paper introduces a generalized sensitivity analysis DEA...