Selecting random effect components in a sparse hierarchical Bayesian model for identifying antigenic variability

Davies, V. , Reeve, R. , Harvey, W. T. and Husmeier, D. (2016) Selecting random effect components in a sparse hierarchical Bayesian model for identifying antigenic variability. In: Computational Intelligence Methods for Bioinformatics and Biostatistics: 12th International Meeting, CIBB 2015, Naples, Italy, September 10-12, 2015, Revised Selected Papers. Series: Lecture Notes in Computer Science (9874). Springer, pp. 14-27. ISBN 9783319443317 (doi:10.1007/978-3-319-44332-4_2)

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In Foot-and-Mouth Disease Virus (FMDV), understanding how viruses offer protection against related emerging strains is vital for creating effective vaccines. With testing large numbers of vaccines being infeasible, the development of an in silico predictor of cross-protection between virus strains has been a vital area of recent research. The current paper reviews a recent contribution to this area, the SABRE method, a sparse hierarchical Bayesian model which uses spike and slab priors to identify key antigenic sites within FMDV serotypes. WAIC is then combined with the SABRE method and its ability to approximate Bayesian Cross Validation performance in terms of correctly selecting random effect components analysed. WAIC and the SABRE method have then been applied to two FMDV datasets and the results analysed.

Item Type:Book Sections
Keywords:Model selection, spike and slab prior, foot-and-mouth disease virus, Bayesian hierarchical models, WAIC, cross validation.
Glasgow Author(s) Enlighten ID:Reeve, Dr Richard and Husmeier, Professor Dirk and Harvey, Dr William and Davies, Dr Vinny
Authors: Davies, V., Reeve, R., Harvey, W. T., and Husmeier, D.
College/School:College of Medical Veterinary and Life Sciences > Institute of Biodiversity Animal Health and Comparative Medicine
College of Science and Engineering > School of Mathematics and Statistics > Statistics

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