RESEARCH AREAS of INTEREST:
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Nonparametric mixed-effects modeling for longitudinal data |
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Nonparametric techniques in medical applications |
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Functional data analysis and longitudinal data analysis |
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Nonparametric regression and density estimation |
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Uniform design and computer design |
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Applications of number theoretic methods in statistics |
PUBLICATIONS:
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Statistical inferences for functional data (2007) (with J. Chen). To appear in Ann. Statist. |
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Modeling HIV dynamics using unified mixed-effects model (2007) (with H. Wu). Manuscript. |
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A note on the
bounded normal mean problem (2006) (with J. Fan). Advances in Statistical
Modeling and Inference: Essays in honour of Kjell A. Doksum. Vijay Nair
(Eds.) pp. 635-647. World Scientitific, |
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Chen, J. W.,
Zhang, J. -T. and Wu, H. (2005). Discretization approach and nonparametric
modeling for long-term HIV dynamic model. Computational Science and Its
Applications. O. Gervasi et al. (Eds.). pp. 519-527. Spring-Verlag, |
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Zhang, J. -T.
(2005). Thresholding regression splines with applications. Contemporary
Multivariate Analysis and Experimental Designs. J. Fan and Gang Li
(Eds.). pp. Spring-Verlag, |
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Approximate and Asymptotic distributions of chi-squared -type mixtures with applications (2005). J. Amer. Statist. Assoc., 100, 273-285. |
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A simple and efficient monotone smoother using smoothing splines (2004). [ps][monofit.m][food.dat][fuel.dat][growth.dat]. J. of Nonpar. Statist., 16, 779-796. |
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SiZer for smoothing splines (2004) (with J.S. Marron). [pdf] software. Computational Statistics, 20, 481-502. |
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Local polynomial
mixed-effects models for longitudinal data (2002) (with H. Wu). J. Amer. Statist. Assoc., 97, 883-897. |
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The Study of long-term HIV dynamics using semiparametric nonlinear mixed-effects models (2002)(with H. Wu). Statistics in Medicine, 21, 3655-3675. |
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Two-step estimation for functional linear models with applications to longitudinal data (2000) (with J. Fan) J. R. Statist. Soc. B 62 303-322. |
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Minimax kernels for nonparametric curve estimation (2000)(with J. Fan). J. of Nonparametric Statistics, Vol 12, No. 3, 417-445. |
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Robust
principal component analysis for functional data (1999, with discussions and
rejoinder) ( with |
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Comments on "Smoothing spline models for analysis of nested and crossed samples of curves" by Brumback and Rice (1998) (with J. Fan). J. Amer. Statist. Assoc. 93, 980-983. |
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A
project NT-type test for spherical symmetry of a multivariate distribution
(1995) (with L.X. Zhu and K.T. Fang). Multivar. Statist. and Matrices in
Statist.,eds. E.-M. Tiit, T. Kollo and H. Niemi, VSP-TEV, the |
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A new algorithm for estimating the parameters of nonlinear regression modellings (1993) (with K. T. Fang). Acta Mathematicae Applicate Sinica. Vol. 16, No. 3, 366-377. |
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Uniform design for experiments with mixture (1993). Chinese J. Appl. Prob. Statist. Vol. 9, No.2, 168-176. |
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Computation
of moments of order statistics (1990). J. |
Monograph and Book Chapters:
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Nonparametric Regression
Methods for Longitudinal Data: mixed-effects modeling approaches (2006) (with H. Wu). Wiley, |
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A note on the bounded normal mean problem (2006) (with J. Fan). To appear. |
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Zhang, J. -T.
(2005). Thresholding regression splines with applications. Contemporary
Multivariate Analysis and Experimental Designs. J. Fan and Gang Li
(Eds.). pp. Spring-Verlag, |
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Chen, J. W.,
Zhang, J. -T. and Wu, H. (2005). Discretization approach and nonparametric
modeling for long-term HIV dynamic model. Computational Science and Its
Applications. O. Gervasi et al. (Eds.). pp. 519-527. Spring-Verlag, |
TALKS:
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On
the Behrens-Fisher Problem for functional data. International conference on
frontiers of interface between statistics and science. Dec. 30 2009 –Jan 02, 2010. University of
Hyderabad, India. Talk An F-type test for functional data. ISBEbeijing09
BeiDa09
Science09 Nonparametric
Mixed-Effects Models for Longitudinal Data (Korea07.pdf).
The 2007 Fall Conference of the Two-sample Test
for Equal Covariance Functions for Functional Data (Kunming07.pdf).
The 2007 International
Conference on the Frontiers of Statistics” , August, 13-15, 2007, Two-sample Test
for Equal Mean Functions for Functional Data (Taipei07.pdf).
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HIV Daynamics
Modeling Using Semiparametric NLME models (Shanghai07.pdf).
The 15-th International Conference of Forum for Interdisciplinary
Mathematics on Interdisciplinary Mathematical & Statistical Techniques,
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Semiparametric Mixed-Effects Models for Longitudinal data. spme.pdf Taipei Statistical Workshop. Dec 13-15, 2006. |
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Analyzing longitudinal data using regression splines. rsmetalk1.pdf Biostatistics Workshop-CTERU, August 18, 2006. |
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Semiparametric
mixed-effects models for longitudinal data using P-splines. Dept of
Statistics, |
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Nonparametric Modelings of Longitudinal Data Using Regression Splines. rsmetalk.ps |
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Nonparametric Mixed-Effects Modeling Using Smoothing Splines. ssmetalk.ps |
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The ICSA 2004 |
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The ICSA 2000
Applied Statistics Symposium,
June 1-3, 2000, |
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The ENAR
2000 Spring Meeting, March 19-23, 2000. |
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The Student
Seminar,
October, 1997. Department of Statistics, |
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The National
Conference on Geo-mathematics,
April, 1990, |
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The International
Workshop on Statistical Prediction of Mineral Resources, October, |
MANUSCRIPTS:
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Hypothesis tests for functional data (2005). |
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F-type mixtures with applications (2005). |
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Modeling HIV dynamics using unified mixed-effects models (2000) (with H. Wu). |
Statistical Movies:
Movie:
Analysis of Corneal Image
Movie:
SiZer for Smoothing Splines
Statistical Images
Some Interesting Images and plots
TECHNICAL REPORTS:
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Criteria
for the uniform design (1992) (with K.T. Fang). Technical Report.
Department of Mathematics, |
THESIS AND DISSERTATION:
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Master
Thesis:
Uniform design of Latin square type
(1990). Printed in the Institute of Applied
Mathematics, Academia Sinica, |
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Ph.
D. Dissertation: Smoothed Functional Data Analysis (1999). Department of Statistics, UNC-Chapel Hill, |
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