نتایج جستجو برای: gamma distribution

تعداد نتایج: 722529  

Introduction: One of the problems that exists in the quality control procedure of the treatment planning systems and the computer simulation of the radiotherapy or diagnostic radiology validation is comparing the dose distribution resulted from the dose calculation algorithms with the experimental results(as a reference). For this purpose, several methods have been proposed to compare these dos...

Journal: :journal of biostatistics and epidemiology 0
ali zare department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran mahmood mahmoodi department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran kazem mohammad department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran hojjat zeraati department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran mostafa hosseini department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran kourosh holakouie-naieni department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran

b a c k g r o u n d & aim: multi-state models can help better understand the process of chronic diseases such as cancers.  these models  are influenced  by assumptions  like individual  homogeneity.  this study aimed to investigate the effect of lack of individual homogeneity  assumption  in multi-state models. methods & materials: to investigate the effect of lack of individual homogeneity ass...

Journal: :The Annals of Mathematical Statistics 1951

Journal: :Journal of Statistical Distributions and Applications 2016

Journal: :International Journal of Research -GRANTHAALAYAH 2020

Journal: :Brazilian Journal of Probability and Statistics 2012

Journal: :Journal of the National Science Foundation of Sri Lanka 2019

Journal: :Journal of Modern Applied Statistical Methods 2014

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