نتایج جستجو برای: data envelopement anlysis

تعداد نتایج: 2410245  

Journal: :CoRR 2016
Filipp Valovich

In this work we show that the hardness of the Learning with Errors problem with errors taken from the discrete Gaussian distribution implies the hardness of the Learning with Errors problem with errors taken from the symmetric Skellam distribution. Due to the sample preserving search-to-decision reduction by Mic-ciancio and Mol the same result applies to the decisional version of the problem. T...

2015
Rinkey Ahuja Keshav Singh Rizwan Gani Dina Shah;

Results 4226 trauma patients visited emergency department. 2208 (52.24%) patients were discharged, 1537 (36.37%) were admitted to the ICU, and 454 (10.74%) were admitted to the ward. The remainder were Left Against Medical Advice (LAMA) or Dead on Arrival (DOA) due to various reasons, and there were 27(0.63%) deaths in emergency department (within 15 min of arrival) due to haemorrhagic and/or n...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده صنایع و سیستمها 1387

فعالیت های نگهداری و تعمیرات اطلاعاتی را تولید می کند که می تواند در تعیین زمان های بیکاری و ارایه یک برنامه زمان بندی شده یا تعیین هشدارهای خرابی به پرسنل نگهداری و تعمیرات کمک کند. وقتی که مقدار داده های تولید شده زیاد باشند، فهم بین متغیرها بسیار مشکل می شوند. این پایان نامه به کاربردی از داده کاوی برای کاوش پایگاه های داده چندبعدی در حوزه نگهداری و تعمیرات، برای پیدا کردن خرابی هایی که موجب...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1393

due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1370

the subjects of the study are only the tefl teachers and students at gilan university. to obtain the desired data, a questionnaire which was based on the theories and disecussions gathered, was used as the main data gathering instrument. to determine the degree of relationship between variables, covariance and pearson product moment correlation coefficient were the formulas applied. the data we...

Journal: :Materials Characterization 2021

The composition of new eigth 9% Cr reduced activation ferritic/martensitioc steels (RAFMs) has been finely tuned in order to increase the amount fine MX precipitates and reduce coarse M23C6 carbides through application thermomechanical treatments. microstructural investigations by TEM/STEM EELS have shown M23C6, M2X (Cr2N), (Ta, V, Ti-rich) after tempering at 750 °C/2 h. Higher N contens (0.04–...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی علوم پایه زنجان - دانشکده شیمی 1391

in this thesis a calibration transfer method is used to achieve bilinearity for augmented first order kinetic data. first, the proposed method is investigated using simulated data and next the concept is applied to experimental data. the experimental data consists of spectroscopic monitoring of the first order degradation reaction of carbaryl. this component is used for control of pests in frui...

Journal: :International Journal of Research in Engineering and Technology 2014

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