نتایج جستجو برای: compound poisson frailty model
تعداد نتایج: 2245859 فیلتر نتایج به سال:
Background: Breast cancer is one of the most common recurrence cancers among women. There are several factors that can affect the multiple recurrence of this disease, which have been studied and recognized in various studies, however, with the fact that these factors are known, can not always accurately predict the incidence of metastasis. On the other hand, simultaneous examination of the type...
A well-known approximation of the aggregate claims distribution in the individual risk theory model with mutually independent individual risks is the compound Poisson approximation. In this paper, we relax the assumption of independency and show that the same compound Poisson approximation will still perform well under certain circumstances.
In this paper, we introduce and study fractional versions of the Bell–Touchard process, Poisson-logarithmic process generalized Pólya–Aeppli process. The state probabilities these compound Poisson processes solve a system differential equations that involves Caputo derivative order 0<β<1. It is shown are limiting cases recently introduced namely, counting We obtain mean, variance, covaria...
objectives : schizophrenia patients often experience relapses once and even more with no limit on number of relapses. the time among relapses are rarely considered in studies. the aim of this study was to identify some risk factors of time to elapses in schizophrenic patients with recurrent events model in survival analysis. methods : in a retrospective longitudinal study, the medical records o...
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