نتایج جستجو برای: robust data envelopment analysis

تعداد نتایج: 4601813  

Journal: :international journal of data envelopment analysis 2013
k. rezania f. mokhatab rafiei h. shirouyehzad

performance   evaluation in regular periods is one of the ways in which organizations can   evaluate their performance as well as weak and strong points unifiedly and   precisely. these days, mathematical models are also used to evaluate the   efficiency and productivity of various units. these units are a collection of   education, research and service activities as input and output factors an...

Journal: :iranian journal of optimization 2010
morteza khodabin reza kazemi matin

in the use of peer group data to assess individual, typical or best practice performance, the effective detection of outliers is critical for achieving useful results. in these ‘‘deterministic’’ frontier models, statistical theory is now mostly available. this paper deals with the statistical pared sample method and its capability of detecting outliers in data envelopment analysis. in the prese...

Journal: :iranian journal of optimization 2010
g. r. jahanshahloo r. fallahnejad

cross efficiency is a method with the idea of peer evaluation instead of self-evaluation, and is used for evaluation and ranking decision making units (dmus) in data envelopment analysis (dea). unlike most existing dea ranking models which can only rank a subset of dmus, for example non-efficient or extreme efficient dmus, cross efficiency can rank all dmus, even non-extreme ones. however, sinc...

Journal: :international journal of industrial mathematics 2015
m. fallah ‎jelodar m. sanei s. mamizadeh-‎chatghayeh‎

the performance of a supply chain can be evaluated in either a cross-sectional or a time series manner, and data envelopment analysis is a useful method for both types of evaluation. in this paper we develop an index and indicator of productivity change that can be used with radial and non-radial models for supply chain malmquist index. the supply chain malmquist productivity index (scmpi) can ...

Journal: :international journal of industrial mathematics 0
s. ‎kordrostami department of mathematics, lahijan branch, islamic azad university, lahijan, ‎iran a. ‎amirteimoori‎ department of applied mathematics, rasht branch, islamic azad university, rasht, ‎iran‎. m. jahani sayyad ‎noveiri‎ department of mathematics, lahijan branch, islamic azad university, lahijan, ‎iran.

one of the major problems in data envelopment analysis (dea) is to determine the projection of inefficient decision making units (dmus) into the efficient frontier. in conventional dea models, inputs and outputs of inefficient dmus alter arbitrarily for reaching to the efficient frontier. nevertheless, sometimes the ability of dmus is defined and restricted. moreover, there are situations in th...

Journal: :iranian journal of management studies 2014
hadi ghafoorian yavar panah melati ahmadanuar nik intan norhan

evaluation of performance and productivity is among the fundamental concepts inmanagement. in order to achieve their goals, organizations must evaluate theirperformance. one of the important stages of performance appraisal is evaluation oforganization’s efficiency. banks, financial and credit institutions are among the mostimportant organizations of every economic system, because every activity...

Journal: :journal of agricultural science and technology 0
b. h. gabdo institute of agricultural and food policy studies, university of putra, malaysia. m. i. mansor institute of agricultural and food policy studies, university of putra, malaysia. h. a. w. kamal institute of agricultural and food policy studies, university of putra, malaysia. a. m. ilmas institute of agricultural and food policy studies, university of putra, malaysia.

bootstrapping the dea is one of the current methods of measuring robust efficiency by constructing a confidence interval and measuring the noise (bias) in production. in this study, two estimators: the conventional data envelopment analysis (dea) and bootstrap simulation with 2,000 bootstrap iterations were applied on a cross sectional data of 296 broiler farms in peninsular malaysia. the objec...

2008
YU Ren-de ZHANG Hong-bin SHI Peng LIU Fang

Abstract—Data Envelopment Analysis is a kind of important analyzing tool and research method in evaluation. As a method, introducing secondary relative evaluation method, the Data Envelopment Analysis (DEA) is applied to evaluate road traffic safety in different areas based on optimizing evaluation index system. This paper mostly discusses the relatively safety of different areas. Keywords—road...

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