Research Areas
Nonparametric function estimation; high dimensional sparse inference; large-scale multiple comparisons; wavelet methodology and applications; functional data analysis; Statistical decision theory
Current Projects
Large-scale multiple testing; High-dimensional inference; Adaptation theory for nonparametric function estimation; Wavelet methods for functional data analysis and nonparametric estimation
Representative Publications
(with W. Sun)
"Oracle and Adaptive Compound Decision Rules for False Discovery Rate Control." Journal of the American Statistical Association (2007).
(with J. Jin)
"Estimating the Null and the Proportion of Non-null Effects in Large-Scale Multiple Comparisons." Journal of the American Statistical Association (2007).
(with P. Hall)
"Prediction in Functional Linear Regression." Annals of Statistics (2006).
(with M. Low)
"An Adaptation Theory for Nonparametric Confidence Intervals." Annals of Statistics (2004).
(with L.D. Brown and A. DasGupta)
"Confidence Intervals for a Binomial Proportion and Edgeworth Expansion." Annals of Statistics (2001).
"Adaptive Wavelet Estimation: a Block Thresholding and Oracle Inequality Approach." Annals of Statistics (1999).
Education
PhD, Cornell University, 1996; MS, Shanghai Jiao Tong University, 1989; BS, Hangzhou University, 1986
Career and Recent Professional Awards; Teaching Awards
The 2008 COPSS Presidents' Award, Committee of Presidents of Statistical Societies, for outstanding contributions to statistics;
Medallion Lecturer, Institute of Mathematical Statistics, 2009; Fellow of the Institute of Mathematical Statistics (IMS).
Academic Positions Held
Wharton: 2000-present (named Dorothy Silberberg Professor, 2007). Previous appointment: Purdue University