نتایج جستجو برای: quantifying the risk

تعداد نتایج: 16246991  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

ارزش در معرض ریسک یکی از مهمترین معیارهای اندازه گیری ریسک در بنگاه های اقتصادی می باشد. برآورد دقیق ارزش در معرض ریسک موضوع بسیارمهمی می باشد و انحراف از آن می تواند موجب ورشکستگی و یا عدم تخصیص بهینه منابع یک بنگاه گردد. هدف اصلی این مطالعه بررسی کارایی روش copula-garch شرطی در برآورد ارزش در معرض ریسک پرتفویی متشکل از دو سهام می باشد و ارزش در معرض ریسک بدست آمده با روشهای سنتی برآورد ارزش د...

Journal: :Journal of Applied Ecology 2022

Pines (genus Pinus) are cultivated extensively for forestry purposes, particularly in regions that outside the genus' native range. The most common species also typically those likely to escape cultivation and spread rapidly, thus pines constitute a substantial weed problem many regions. However, there is limited knowledge of factors underlying from plantations. Assessments across heterogeneous...

Journal: :Royal Society Open Science 2021

Making decisions over extended periods of time is cognitively taxing and can lead to decision fatigue, which linked a preference for the ‘default’ option, namely whatever involves relatively little cognitive effort. Such effects have been demonstrated across number applied settings, including forensic clinical contexts. Previous research, however, has not quantified cost such suboptimal decisio...

Journal: :Proceedings of the Royal Society B: Biological Sciences 2007

Journal: :international journal of pediatrics 0
erfan ayubi phd candidate of epidemiology, department of epidemiology, school of public health, shahid beheshti university of medical sciences, tehran, iran kamyar mansori phd candidate of epidemiology, department of epidemiology, kurdistan university of medical sciences, sanandaj, iran hamid soori professor, safety promotion and injury prevention research center, shahid beheshti university of medical sciences, tehran, iran. salman khazaei phd candidate of epidemiology, department of epidemiology & biostatistics, school of public health, hamadan university of medical sciences, hamadan, iran ali gholami phd candidate of epidemiology, department of public health, school of public health, neyshabur university of medical sciences, neyshabur, iran abdolhalim rajabi phd candidate of epidemiology, department of epidemiology, school of public health, iran university of medical sciences, tehran, iran

background: it is introduced that unintentional childhood poisoning can be as result of child home environment and characteristics of parents. this study aimed at quantifying the adjusted population attributable risk percentage of risk factor of unintentional childhood poisoning.  materials and methods: the hospital based case- control included 140 consecutive poisoned children who admitted to ...

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