نتایج جستجو برای: bayesian

تعداد نتایج: 81723  

Journal: :gastroenterology and hepatology from bed to bench 0
mohamad amin pourhoseingholi mohsen vahedi phd student of biostatistics ahmad reza baghestani alireza abadi

aim : the aim of this study is to estimate oral cavity cancer mortality for iranian population, using bayesian approach in order to revise this misclassification. background : mortality is a familiar projection to address the burden of cancers, but according to iranian death registry, about 20% death statistics were still recorded in misclassified categories. patients and methods : we analyzed ...

Journal: :international journal of industrial engineering and productional research- 0
mohammad saber fallah nezhad department of industrial engineering, yazd university, p.o.box 89195-741,pejoohesh street, safa-ieh, yazd, iran ali mostafaeipour department of industrial engineering, yazd university, p.o.box 89195-741,pejoohesh street, safa-ieh, yazd, iran

in order to perform preventive maintenance (pm), two approaches have evolved in the literature. the traditional approach is based on the use of statistical and reliability analysis of equipment failure. under statistical-reliability (s-r)-based pm, the objective of achieving the minimum total cost is pursued by establishing fixed pm intervals, which are statistically optimal, at which to replac...

Journal: :gastroenterology and hepatology from bed to bench 0
mohamad amin pourhoseingholi soghrat faghihzadeh ebrahim hajizadeh alireza abadi

aim : the aim of this study is to estimate gastric cancer (gc) mortality rate for iranian population, using bayesian approach in order to revise the existing classification which is thought to be a misclassification. background : gastric cancer (gc) is an important cause of mortality among many other types of cancer. data on cancer mortality can be used to guide policy makers in order to setup ...

ژورنال: اندیشه آماری 2021

Thomas Bayes, the founder of Bayesian vision, entered the University of Edinburgh in 1719 to study logic and theology. Returning in 1722, he worked with his father in a small church. He also was a mathematician and in 1740 he made a novel discovery which he never published, but his friend Richard Price found it in his notes after his death in 1761, reedited it and published it. But until L...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم ریاضی 1388

چکیده ندارد.

ژورنال: اندیشه آماری 2010
Kheradmandnia, M, Mahmoudi, R,

This article has no abstract.

زایری, فرید, صالحی, مسعود, وهابی, نسیم, یاسری, مهدی,

Background: Diabetes is one of the most common chronic diseases of this century. Retinopathy and makulopati are two most important implications of diabetes. In this study, Bayesian logistic regression is used to assess the factors affected on diabetic- retinopathy. Methods: Study population of this cross-sectional study contains all diabetic patients in Tehran of which 623 of them were selec...

Journal: :iranian journal of cancer prevention 0
mohsen vahedi mohamad amin pourhoseingholi ahmadreze baghestani alireza abadi sara sobhi zeinab fazeli

abstract background: lung cancer is an important cause of cancer mortality. mortality is a familiar projection to address the burden of cancers. however, according to iranian death registry, about 20% of death statistics were still recorded in misclassified categories. the aim of this study was to estimate lung cancer mortality in iranian population, using bayesian approach to revise this miscl...

Journal: :مدیریت آب و آبیاری 0
حمید کاردان مقدم دانشجوی دکتری منابع آب، پردیس ابوریحان، دانشگاه تهران عباس روزبهانی استادیار گروه مهندسی آبیاری و زهکشی، پردیس ابوریحان، دانشگاه تهران

the planning of water resources is based on the volume of water extracted from the aquifer and accurate estimate of this volume considerably helps to development. in this study, the bayesian networks model using continues and clustering structures was used to simulate the groundwater level of birjand aquifer. bayesian networks was calibrated with five input variables of aquifer recharge, water ...

Ali Mohammad-Djafari,

In this paper, first a great number of inverse problems which arise in instrumentation, in computer imaging systems and in computer vision are presented. Then a common general forward modeling for them is given and the corresponding inversion problem is presented. Then, after showing the inadequacy of the classical analytical and least square methods for these ill posed inverse problems, a Baye...

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