نتایج جستجو برای: value estimation

تعداد نتایج: 975804  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

در این بررسی ابتدا به بررسی ماهیت توزیع خسارات پرداخته میشود و از روش نظریه مقادیر نهایی برای بدست آوردن برآورد ارزش در معرض خطر برای خسارات روزانه بیمه مسئولیت شرکت بیمه ایران استفاده میشود. سپس کارایی نظریه مقدار نهایی در برآورد ارزش در معرض خطر با کارایی سایر روشهای واریانس ، کواریانس و روش شبیه سازی تاریخی مورد مقایسه قرار میگیرد. نتایج این بررسی نشان میدهند که توزیع ،garch شناخته شده مدل...

Journal: :shiraz journal of system management 0
mohammad mahdi asgari dehabadi department of industrial engineering, university of economic science tehran, iran mostafa salari department of industrial engineering, sharif university of technology tehran, iran ali reza mirzaei department of technology management, allameh tabataba’ee university tehran, iran

earned value management is a critical project managementmethodology that evaluates project performance from cost andschedule viewpoints. the novel theoretical framework presented in thispaper estimates future performance of project regarding the past relativeinformation. it benefits from fuzzy regression (fr) models in estimationprocess in order to deal with the vagueness and impreciseness ofre...

Journal: :iranian journal of applied animal science 2013
m. elahi torshizi a.a. aslamenejad m.r. nassiri h. farhangfar j. solkner

variace / covariance components of 227118 first lactaiom test-day milk yield records belonged to 31258 iranian holstein cows were estimated using nine random regression models. afterwards, different measures of persistency based on estimation breeding value were evaluated. three functions were used to adjust fixed lactation curve: ali and schaeffer (as), quadratic (le3) and cubic (le4) order of...

Journal: :iranian journal of science and technology (sciences) 2005
k. erenturk

in this paper, design and application of a new digital protective relay based on fuzzy logicand value estimation to a radial power system protection was presented. a novel approach based onvalue estimation was investigated for the proposed fuzzy logic based protective relay. in addition to thetheoretical aspect of fuzzy logic, mathematical definition of value estimation, detection andmeasuremen...

Journal: :iranian journal of earth science 0
shahrokh paravarzar department of mining and metallurgical engineering, amirkabir university of technology, 1359767191 tehran, iran nasser madani advance mining technology center (amtc), santiago, chile abbas maghsoudi department of mining and metallurgical engineering, amirkabir university of technology, tehran, iran peyman afza department of mining engineering, faculty of engineering, south tehran branch, islamic azad university, tehran, iran

estimation of gold reserves and resources has been of interest to mining engineers and geologists for ages. the existence of outlier values shows the economic part of the deposits subject to the fact that don’t depend on the human or technical errors. the presence of these high values causes a pseudo dramatically increment in variance estimation of economical blocks when applying conventional m...

2009
Ying Chen Jun Lu

This chapter reviews the recent developments of Value at Risk (VaR) estimation. In this survey, the most available univariate and multivariate methods are presented. The robustness and accuracy of these estimation methods are investigated based on the simulated and real data. In the backtesting procedure, the conditional coverage test (Christoffersen 1998), the dynamic quantile test (Engle and ...

Abbas Maghsoudi Nasser Madani Peyman Afza Shahrokh Paravarzar

Estimation of gold reserves and resources has been of interest to mining engineers and geologists for ages. The existence of outlier values shows the economic part of the deposits subject to the fact that don’t depend on the human or technical errors. The presence of these high values causes a pseudo dramatically increment in variance estimation of economical blocks when applying conventional m...

Journal: :Proceedings of the ... AAAI Conference on Artificial Intelligence 2023

How to efficiently explore in reinforcement learning is an open problem. Many exploration algorithms employ the epistemic uncertainty of their own value predictions -- for instance compute bonus or upper confidence bound. Unfortunately required difficult estimate general with function approximation. We propose estimation (EVE): a recipe that compatible sequential decision making and neural netw...

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