Main Research Areas

Biostatistics
Density Estimation and Smoothing Spline
Longitudinal Data Analysis
Nonparametric Estimation and Selection of Smoothing Parameter
Linear Model

Median Regressio
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SELECTED PUBLICATIONS

 

``Penalized Semiparametric Density Estimation", Statistics and Computing. 19(2009), 355-366. 

"Regression Models for Mixed Poisson and Continuous Longitudinal Data", Statist Med.  26(2007), 3781-3800 (joint with J. Kang, K. Mao and J. Zhang)

"M-Cross-Validation in Local Median Estimation", Acta Math Sinica, 22(2006): 1565-1582.

"Asymptotics of M-estimation in nonlinear regression", Acta Math Scinica, 20 (2004): 749-760.

"Strong Convergence Rate of the Least Median Absolute Estimator in Linear Regression Models", Statistical Papers, 44(2003), 183-201 (joint with W. C. Ip, P.Y. K. Kwan, and Y. K. Kwan)

"Estimation theory in partly linear regression models under long-range dependence", Advances in  Mathematics, 28(1999): 411-426.

"Cross validation and median criterion", Statistica Sinica, 8 (1998): 907-921. (joint with Z. G. Zheng) .

"Median cross validation", Chinese Sci. Bull., 42 (1997): 1956--1959.

"Asymptotic properties for median cross validated nearest neighbor median estimate in nonparametric regression", Sci. in China, 40 (1997): 585-597. (Joint with Z. G. Zheng)

"Asymptotic properties for cross validated nearest neighbor median estimates in nonparametric regression: the $L_1$-view", In: Z. Jiang, S. Yan, P. Cheng, and R. Wu (eds), Probability and Statistics. pp. 242-257, World Scientific, Singapore, 1992.  (joint with Z. G. Zheng).