نتایج جستجو برای: proportional hazard model phm

تعداد نتایج: 2193239  

Journal: :International Journal of Approximate Reasoning 2018

Journal: :Microelectronics Reliability 2007
Peter Sandborn Chris Wilkinson

This paper presents a model that enables the optimal interpretation of Prognostics and Health Management (PHM) results for electronic systems. In this context, optimal interpretation of PHM results means translating PHM information into maintenance policies and decisions that minimize life cycle costs, or maximize availability or some other utility function. The electronics PHM problem is chara...

Journal: :iranian journal of cancer prevention 0
ma pourhoseingholi research center for gastroenterology and liver disease, shahid beheshti university of medical sciences, tehran, iran a pourhoseingholi research center for gastroenterology and liver disease, shahid beheshti university of medical sciences, tehran, iran m vahedi research center for gastroenterology and liver disease, shahid beheshti university of medical sciences, tehran, iran b moghimi dehkordi research center for gastroenterology and liver disease, shahid beheshti university of medical sciences, tehran, iran a safaee research center for gastroenterology and liver disease, shahid beheshti university of medical sciences, tehran, iran s ashtari research center for gastroenterology and liver disease, shahid beheshti university of medical sciences, tehran, iran

background: although the cox proportional hazard regression is the most popular model for analyzing the prognostic factors on survival of cancer patients, under certain circumstances, parametric models estimate the parameter more efficiently than the cox model.  the aim of this study was to compare the cox regression model  with parametric models in patients with gastric cancer who registered a...

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