منابع مشابه
Natural disaster risks: An introduction
Hurricane Katrina generated the largest losses of any natural disaster in the history of the United States. The hurricane hit Florida on August 25, 2005 and Louisiana on August 29. Despite having been downgraded from a Category 4 to a Category 3 hurricane, the storm inflicted unprecedented losses. This special issue of the Journal of Risk and Uncertainty deals with the implications of catastrop...
متن کاملAn Introduction to Natural Experiment Studies
در دو سخن سردبیری شماره‌های قبل به مطالعات مداخله‌ای (Interventional and/or experimental studies) [1] و مطالعات نیمه تجربی (studies Quasi-experiment) [2] پرداختیم. همان جا، به این نکته اشاره کردیم که برای اندازه‌گیری کارآیی یک دارو، واکسن، برنامه بهداشت عمومی و متغیرهای دیگری از این دست، مطالعات مداخله‌ای بهترین گزینه هستند. تقسیم تصادفی و کورسازی از مؤلفه‌های اساسی یک مطالعه مداخله‌ای است [1]....
متن کاملAssessing waterborne risks: an introduction.
Information in this paper can help readers evaluate the results of epidemiologic studies of waterborne disease risks. It is important that readers understand the various epidemiologic study designs, their strengths and limitations, and potential biases. Terminology used by epidemiologists to describe disease risks can be confusing. Thus, readers should not only evaluate the adequacy of the info...
متن کامل[An introduction to competing risks analysis].
The need to develop treatments and/or programs specific to a disease requires the analysis of outcomes to be specific to that disease. Such endpoints as heart failure, death due to a specific disease, or control of local disease in cancer may become impossible to observe due to a prior occurrence of a different type of event (such as death from another cause). The event which hinders or changes...
متن کاملNatural language processing: an introduction
OBJECTIVES To provide an overview and tutorial of natural language processing (NLP) and modern NLP-system design. TARGET AUDIENCE This tutorial targets the medical informatics generalist who has limited acquaintance with the principles behind NLP and/or limited knowledge of the current state of the art. SCOPE We describe the historical evolution of NLP, and summarize common NLP sub-problems...
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ژورنال
عنوان ژورنال: Journal of Risk and Uncertainty
سال: 2006
ISSN: 0895-5646,1573-0476
DOI: 10.1007/s11166-006-0168-7