Spring 2012 Courses
MA 782- Hypothesis Testing
Math 882- Functional Data Analysis
Department of Mathematics and Statistics
111 Cummington Street, Boston, MA 02215
Phone: (617) 353-5209, Fax: (617) 353-8100
Email: sray at followed by bu dot edu
Abstracts Recently Published and Working Papers
Functional Factor Analysis For Periodic Remote Sensing Data with Chong Liu, Giles Hooker, and Mark Friedl.
Annals of Applied Statistics 2012, Vol 6, No 2
Journal Page | PDF | Supplement
A Comparison of Bayes Factor Approximation Methods Including Two New Methods with K. Bollen, J. Zavisca and Jeffrey J. Harden.
To appear in Sociological Methods & Research (2012)
On the upper bound of the number of modes of a multivariate normal mixture with Dan Ren
Journal of Multivariate Analysis Volume 108, July, 2012 Pages 41-52
Preprint | Journal Page
Improving Model Selection in Structural Equation Models with New Bayes Factor Approximations with K. Bollen, J. Zavisca and Jeffrey J. Harden.
Submitted to Sociological Methodology (2011)
Data processing and analysis for protein microarrays. David S Deluca, Ovidiu Marina, Guang Lan Zhang, Catherine J Wu and Vladimir Brusic.
Methods Mol Biol. (2011) 723:337-47. pmid 21370075
pdf | PubMed | Journal Page |
Evaluation of MHC class I peptide binding prediction servers: applications for vaccine research with Hong Huang Lin, Songsak Tongchusak, Ellis L. Reinherz and Vladimir Brusic.  
BMC Immunology 2008, 9:8
pdf | PubMed | Journal Page |
Model selection in High-Dimensions: A Quadratic-risk Based Approach with B.G. Lindsay
Journal of the Royal Statistical Society - Series B: 70(1) Page 95-118, February 2008
pdf | ps | arxiv | Journal Page |
Quadratic distances on probabilities: a unified foundation with B.G. Lindsay, M. Markatou, K. Yang, S.C. Chen.
Annals of Statistics 2008, Vol. 36, No. 2, page 983--1006
pdf | ps | Journal Page |
A Nonparametric Statistical Approach to Clustering via Mode Identification with Bruce G Lindsay and Jia Li
Journal of Machine Learning Research 8(Aug):1687--1723, 2007
pdf | Journal Page | Software
Statistics on Anatomic Objects Reflecting Inter-Object Relations with Ja-Yeon Jeong and Stephen M.Pizer
Proceedings of International Workshop on Mathematical Foundations of Computational Anatomy pp. 136-145, 2006
pdf | Poster |
Signaling Local Non-credibility in an Automatic Segmentation Pipeline with Joshua H. Levy, Robert E. Broadhurst, Edward L. Chaney and Stephen M. Pizer
Proceedings of the SPIE, Vol. 6512, 2007
pdf | Journal Page |
Degrees of Freedom in Quadratic Goodness of Fit with B.G. Lindsay and M. Markatou.
Extensions and generalizations of BIC with Susie Bayarri, Jim Berger, Woncheol Jang, Luis Pericchi Raul Rueda, and Ingmar Visser

Selected Presentations
Modal EM for Mixtures and its Application in Clustering Boston University Seminar Series, Boston, Sep 2006
Classification of MHC-I binding epitopes WNAR/IMS Annual Meeting, Fairbanks, Alaska. June 21-24, 2005
On using Quadratic Risk to Select High dimensional Mixture Model. Annual Meeting of the Statistical Society of Canada. June 12-15, 2005
Selecting the Number of Components in a Finite Mixture: A Risk-based Approach Joint Annual Meeting of the Interface and the Classification Society of North America: Theme: Clustering and Classification Washington University School of Medicine, St. Louis, Missouri. June 8-12, 2005
Bayes Factors in Structural Equation Models: Schwarz's BIC and Other Approximations. American Sociological Association Section on Methodology: 2005 Annual Meeting, Chapel Hill. Apr 22, 2005
Recent Courses taught
Principles of Statistical Inference ( at UNC)
Principles Of Experimental Analysis (at UNC)