نتایج جستجو برای: data envelopment analysis model

تعداد نتایج: 5751262  

Journal: :shiraz journal of system management 0

abstract. data envelopment analysis (dea) is now widely utilized as a method for assessing relative efficiency of a set of decision making units (dmus). along as evaluating relative efficiency dea models are capable of to be improved for finding benchmark for inefficient units which can help managers for better making decision. thus it is important to obtain accurate results from dea models. in...

Journal: :نظریه تقریب و کاربرد های آن 0
farhad hosseinzadeh-lotfi department of mathematics, islamic azad university, science and research branch, tehran, iran. mohammad izadikhah department of mathematics, islamic azad university, arak branch, arak branch, iran. r. roostaee department of mathematics, islamic azad university, arak branch, arak branch, iran. mohsen rostamy-malkhalifeh department of mathematics, islamic azad university, science and research branch, tehran, iran.

this research proposes a methodology for ranking decision making units byusing a goal programming model.we suggest a two phases procedure. in phase1, by using some dea problems for each pair of units, we construct a pairwisecomparison matrix. then this matrix is utilized to rank the units via the goalprogramming model.

Journal: :iranian journal of optimization 0
shokrollah ziari department of mathematics, firoozkooh branch, islamic azad university, firoozkooh, iran manaf sharifzadeh department of computer, firoozkooh branch, islamic azad university, firoozkooh, iran

in many applications, ranking of decision making units (dmus) is a problematic technical task procedure to decision makers in data envelopment analysis (dea), especially when there are extremely efficient dmus. in such cases, many dea models may usually get the same efficiency score for different dmus. hence, there is a growing interest in ranking techniques yet. the purpose of this paper is ra...

Journal: :اقتصاد و توسعه کشاورزی 0
کنعانی کنعانی صبوحی صابونی صبوحی صابونی

abstract the existence of various perceptions related to the efficiency of water use in agricultural sector can hamper the development of appropriate water resource conservation policies. particularly, when there has been an emphasis on increasing water use efficiency by improvement in irrigation systems. the main purpose of current study is to estimate excess water use for a sample of 15 farms...

The classification of fuzzy uncertain data is considered one of the most challenging issues in data analysis. In spite of the significance of fuzzy data in mathematical programming, the development of the analytical methods of fuzzy data is slow. Therefore, the current study proposes a new fuzzy data classification method based on fuzzy data envelopment analysis (DEA) which can handle strea...

محمد حسین طحاری مهرجردی, , حمید بابایی میبدی, , علی مروتی شریف آبادی, , محمد زارعی محمود آبادی, ,

Data envelopment analysis (DEA) has been a very popular method for measuring and benchmarking relative efficiency of peer decision making units (DMUs) with multiple input and outputs. Traditional data envelopment analysis (DEA) models require crisp input and output data. In real world situations, however, crisp input and output data may not always be available, especially when a set of decision...

Journal: :مدیریت صنعتی 0
محمدرضا علیرضایی دانشگاه علم و صنعت ایران، گروه ریاضی کاربردی، ایران محمد رضا رفیعی ثانی دانشگاه علم و صنعت ایران، گروه ریاضی کاربردی، ایران

the ahp/dea methodology is an integration of analytical hierarchical process (ahp) and data envelopment analysis. this method uses the capabilities of both ahp and dea. however, it has some problems: it illogically compares two decision-making units in a data envelopment analysis (dea) model, it is not compatible with dea ranking in the case of multiple inputs/multiple outputs, and it leads to ...

Journal: :Journal of Japan Society for Fuzzy Theory and Systems 1998

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