نتایج جستجو برای: type ii censoring
تعداد نتایج: 1799537 فیلتر نتایج به سال:
background and objective: several studies have found that diazepam decreases serum glucose. meanwhile, glibenclamide is commonly used in diabetes treatment. the objective of this study was to survey the treatment impact of diazepam and glibenclamide on blood glucose and serum lipids in mice with type ii diabetes. materials and methods: in this study, 32 male rats were divided into four groups, ...
The Copula approach can be used to describe the dependence structure between variables. In this paper, by using a Bivariate Clayton copula, we discuss statistical analysis of simple step-stress accelerated dependent competing failure model under progressively Type-II censoring sample. With assumption cumulative exposure, Bayesian estimations parameters are derived. Based on Monte-Carlo simulati...
Generally, the analysis of a lifetime data to quantify life characteristics product done under normal conditions. The engineers for some reasons may be needed obtain reliability results more quickly then, accelerated tests are applied. In this paper, we adopted partially step-stress model has generalized half-logistic distribution. This is ap?plied on solar lighting device and stress factor con...
In this paper, estimation of the parameters of a certain family of two-parameter lifetime distributions based on progressively Type II right censored samples (including ordinary Type II right censoring) is studied. This family, of reverse hazard distributions, includes the Weibull, Gompertz and Lomax distributions. A new type of parameter estimation, named inverse estimation, is introduced for ...
The hybrid censoring is a mixture of type-I and type-II schemes. This paper presents the statistical inferences inverse Weibull distribution parameters when data are censored. First, we consider maximum likelihood estimates unknown parameters. It observed that can not be obtained in closed form. We further obtain Bayes corresponding highest posterior density credible intervals under assumption ...
In this paper, a Bayesian analysis is made to estimate the Reliability of two stress-strength model systems. First: reliability one component strengths X under stress Y. Second, strength three stresses. Where and Y are independent generalized exponential-Poison random variables with parameters (α,λ,θ) (β,λ,θ) . The concerned based on doubly type II censored samples using gamma prior four differ...
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