تخمین ورودیها و خروجیها در تحلیل پوششی داده های معکوس
Subject Areas : Data Envelopment Analysis
سعید قبادی
1
(دانشگاه آزاد اسلامی واحد خمینی شهر اصفهان)
Keywords: کارایی, تحلیل پوششی داده ها, تحلیل پوششی داده های معکوس, برنامه ریزی خطی پند هدفی, جوابهای پاراتو(ضعیف), جواب نیمه- (ضعیف) پاراتو,
Abstract :
در این مطالعه سوال زیر مد نظر قرار گرفته است: در میان یک دسته از واحد های تصمیم گیرنده، اگر تصمیم گیرنده ملزم به افزایش ورودیها و خروجیهای یک واحد خاص باشد بطوریکه سطح کارایی آن بخواهد حفظ یا بهبود یابد، چگونه ورودی و خروجی این واحد می بابیستی افزایش یابد؟این سوال به عنوان یک مسئله در تحلیل پوششی داده های معکوس لحاظ شده و روشی برای حل آن معرفی شده است. شرایط لازم و کافی برای تخمین ورودیها و خروجیها بر اساس جوابهای پارتو(ضعیف) از مسائل برنامه ریزی خطی چند هدفی تبیین شده است. با در نظر گرفتن دادههای واقعی (برای انتخاب یک استراتژی مناسب برای گسترش گروه های آموزشی در دانشگاه ) یک کاربرد از تحلیل پوششی دادههای معکوس ارائه گردیده است. علاوه براین، دو مفهوم جدید بهینگی" نیمه پاراتو و نیمه پاراتو ضعیف" برای مسائل برنامه ریزی چند هدفی معرفی شده است. این مفاهیم برای پاسخ به سوال فوق استفاده شده است.
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