Laplace Approximation to the Posterior of Bayesian Weibull Model with Time-Varying Effect
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Keywords:
Bayesian Weibull model, Newton-Raphson procedure, time-varying Weibull modelAbstract
In this paper, the estimation of the parameter of the Bayesian Weibull model with time-varying effect is considered. The Laplace approximation was developed and compared to the maximum likelihood approach achieved via the Newton-Raphson procedure. The efficiency of the two methods was analyzed using Monte-Carlo samples drawn from the time-varying Weibull model.
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