Sijian Wang, Ph.D.

Assistant Professor, Department of Statistics

Assistant Professor, Department of Biostatistics and Medical Informatics

 

Education

  • Ph.D., Biostatistics, University of Michigan, 2008
  • M.S., Biostatistics, University of Michigan, 2005
  • B.S., Applied Mathematics, Tsinghua University, Beijing, China, 2003

Research Interests

  • High-dimensional data analysis, including high-dimensional classification/clustering and high-dimensional survival analysis
  • Variable selection and model selection
  • Machine learning and data mining
  • Bioinformatics
  • Longitudinal data analysis
  • Statistical modeling in science and engineering

Selected Publications

 

    Statistical theory and methodology

  • Wang, S., Zhou, N., Nan, N. and Zhu, J. (2008). Hierarchically penalized Cox model for survival data with grouped variables and its oracle property. Biometrika, Accepted.
  • Wang, S., Nan, B., Zhu, J., and Beer, D.G. (2008). Doubly penalized Buckley-James method for survival data with high-dimensional covariates. Biometrics, 64, 132-140.
  • Wang, S. and Zhu, J. (2008). Variable selection for model-based high-dimensional clustering and its application to microarray data.  Biometrics, 64, 440-448.
  • Wang, S. and Zhu, J. (2007). Improved centroids estimation for the nearest shrunken centroid classifier. Bioinformatics, 23, 972-979.
  • Wang, S., Nan, B., Rosset, S. and Zhu, J. (2008). Random lasso. Submitted.

 

    Interdisciplinary Research

  • Joyce, J.C., Waljee, A.K., Khan, T., Wren, P.A., Dave, M., Zimmermann, E.M., Wang, S., Zhu, J. and Higgins, P.D.R. (2008) Identification of symptom domains in ulcerative colitis that occur frequently during flares and are responsive to changes in disease activity. Health and Quality of Life Outcomes, Accepted.
  • Clark, N.M., Gong, M.Z., Wang, S., Lin, X., Bria, W.F. and Johnson, T.R. (2007) A randomized trial of a self-regularization intervention for women with asthma. Chest, 132, 88-97.

Awards

 

  • John van Ryzin Award, ENAR 2007
  • Student Paper Competition Award, Computing Section, ASA 2007
  • J.P. Hsu Memorial Award, ICSA 2008

 

Teaching

·        STAT-301: Introduction to Statistical Methods  Fall 2008

 

Contact

     Office: 1212 MSC

     Phone: (608) 262-1287
     Fax: (608) 262-0032
     Email: wangs@stat.wisc.edu