Hybrid Bayesian inference on HIV viral dynamic models

Gang Han, Yangxin Huang, Qizhai Li, Lili Chen and Xi Zhang

Journal of Applied Statistics, 2013, vol. 40, issue 11, 2516-2532

Abstract: Modelling of HIV dynamics in AIDS research has greatly improved our understanding of the pathogenesis of HIV-1 infection and guided for the treatment of AIDS patients and evaluation of antiretroviral therapies. Some of the model parameters may have practical meanings with prior knowledge available, but others might not have prior knowledge. Incorporating priors can improve the statistical inference. Although there have been extensive Bayesian and frequentist estimation methods for the viral dynamic models, little work has been done on making simultaneous inference about the Bayesian and frequentist parameters. In this article, we propose a hybrid Bayesian inference approach for viral dynamic nonlinear mixed-effects models using the Bayesian frequentist hybrid theory developed in Yuan [ Bayesian frequentist hybrid inference , Ann. Statist. 37 (2009), pp. 2458--2501]. Compared with frequentist inference in a real example and two simulation examples, the hybrid Bayesian approach is able to improve the inference accuracy without compromising the computational load.

Date: 2013
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DOI: 10.1080/02664763.2013.818626

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