AuthorsNiekerk, Janet van
KAUST DepartmentComputer, Electrical and Mathematical Science and Engineering (CEMSE) Division
Permanent link to this recordhttp://hdl.handle.net/10754/673947
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AbstractApproximate inference methods like the Laplace method, Laplace approximations and variational methods, amongst others, are popular methods when exact inference is not feasible due to the complexity of the model or the abundance of data. In this paper we propose a hybrid approximate method namely Low-Rank Variational Bayes correction (VBC), that uses the Laplace method and subsequently a Variational Bayes correction to the posterior mean. The cost is essentially that of the Laplace method which ensures scalability of the method. We illustrate the method and its advantages with simulated and real data, on small and large scale.
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