Professor of Statistics

Ph.D. in Statistics, University of Chicago, 1978

Personal Website

Research Interests

• Multivariate statistical analysis
• Decision theory
• Statistical modeling of ranking data
• Nonparametric statistics

Honors and Appointments

• Fellow, Institute of Mathematical Statistics
• Campus Award for Innovation in Undergraduate Instruction using Educational Technology (2002)
• Editor, Annals of Statistics (2001-2003)

Selected Publications

• (2000) Comment: "P Values for composite null models" by Bayarri and Berger, and "Asymptotic distribution of P Values in composite null models" by Robins, van der Vaart, and Ventura. Journal of the American Statistical Association, 95, 1164-1165.
• (2000) Hypothesis Testing: From P-Values to Bayes Factors. Journal of the American Statistical Association, 95, 1316-1319.
• (2001) With Y. H. Gao. Some Rank-based Hypothesis Tests for Covariance Structure and Conditional Independence. Algebraic Methods in Statistics and Probability, Contemporary Mathematics Series, 287, American Mathematical Society, 97-109.
• (2001) Review of Permutation tests : A practical guide to resampling methods for testing hypotheses, Second Edition, by Phillip Good. Sankhya, 63, 134-137.
• (2002) With K. M. Choi. Multivariate Analysis of Variance Using Spatial Ranks. Sociological Methods and Research, 30, 341-366.
• (2002) With Y. H. Gao. Rank-Based Procedures for Structural Hypotheses of the Covariance  Matrix. Sankhya, 64 Series A, 653-677.
• (2004) With Lawrence Brown, Anirban Das Gupta, and Dimitris Politis. Characterizations, Re- and Sub-sampling, and Goodness of Fit. Festschrift for Herman Rubin, Anirban DasGupta, Ed. Institute of Mathematical Statistics Lecture Notes-Monograph Series 45, 180 - 206.
• (2004) Positions and QQ-Plots. Statistical Science 19 606 - 614.
• (2004) With P. S. Erickson, M. L. Davis, C. S. Murdock, K. E. Pastir, M. R. Murphy, and C. G. Schwab. Ionophere Taste Preferences. Journal of Animal Science 82(11) 3314-3320
• (2005) The Bradley-Terry Model. Encyclopedia of Statistics in Behavioral Science, Wiley.
• (2007) With Y. M. Wang and Jing Xia. Multiple correlation and multi-seed for robust inference of functional connectivity in fMRI. IEEE International Symposium on Biomedical Imaging, in press.