Saddlepoint Approximation methods

Disease risk prediction in genetic data models

Statistical data analysis in genetic data models

Statistical applications in quarantine inspection methods

D. Perera, J.Stankovich et al. Fine mapping of multiple sclerosis susceptibility genes provides evidence of allelic heterogeneity. Journal of Neuroimmunology (2009). Vol 221, 1:105 -109 J.L Dickson, D.I.Perera, et.al. Past Environmental Sun Exposure and risk of multiple sclerosis: a role for the Cdx-2 vitamin D receptor variant in this interaction. Multiple Sclerosis (2009) 00: 1-8. The Australia and New Zealand Multiple Sclerosis Genetics Consortium (ANZgene). Genome-wide association study identifies new multiple sclerosis susceptibility loci on chromosomes 12 and 20. Nature Genetics(2009), 41:824-828. I worked with Dr. J. Stankovich in the statistical analysis of the data. Justin P. Rubio, Jim Stankovich, Judith Field, Niall Tubridy, Mark Marriott, Caron Chapman, Melanie Bahlo, Perera D, Laura J. Johnson, Brian D. Tait, Michael D.Varney, Terence P. Speed, Bruce V. Taylor, Simon J. Foote, Helmut Butzkueven, Trevor J. Kilpatrick . Replication of KIAA0350, IL2RA, RPL5 and CD58 as multiple sclerosis susceptibility genes in Australians. Genes and Immunity (2008) Oct:9(7):624-30. Perera, D.I., Peiris, M.S., Robinson, J., & Weber, N.C. The Empirical Saddlepoint method applied to testing of Serial Correlation in Panel Time Series data. Statistics and Probability Letters (2008) Vol 78,Issue 17. Perera, D.I., Peiris, M.S., Robinson, J., & Weber, N.C. ( 2006). Saddlepoint Approximation Methods for testing for Serial Correlation in Large Numbers of Small Samples. Journal of Statistical Computations and Simulations, 76, 1001-1013. D.I.Perera and M.S.Peiris (2004) Testing for Serial Correlation in Large numbers of Small Samples. Conference Proceedings, 1st International Statistical Conference, Peradeniya, Sri Lanaka Dec. 2004. Editors: B.M.de Silva and N. Mukhopadhyay, PGIS University of Peradeniya, 363-370. D.I. Perera, M.S. Peiris, and N.C. Weber (2003). A Note on the Distribution of Serial Correlation in Large Numbers of Small Samples. Current Research in Modelling, Data Mining & Quantitative Techniques, University of Western Sydney Press, University of Western Sydney, ISBN 0-975-1599-0-9, 172 – 192, 2003.