B.  S.  1999,   University of Science and Technology of China

M. S.  2002,   University of Science and Technology of China

Ph. D.  2005,   Columbia University

 

 

 

2006 - Present: Assistant Professor, National University of Singapore

 

 

 

Survival Analysis, Dimension Reduction and Model Selection, Statistical Genetics and Econometrics.

 

 

 

· Yan, T. and Xu, J. (2012). A central limit theorem in the β-model for undirected random graphs with a diverging number of vertices. Biometrika. Accepted.

· Kuk, A. Y. C., Li, X. and Xu, J. (2012). A fast collapsed data method for estimating haplotype frequencies from pooled genotype data with applications to the study of rare variants. Statistics in Medicine. Accepted. doi: 10.1002/sim.5540.

· Yuan, A., Xu, J., Yue, Q. and Zheng, G. (2012). Detecting case-control expression quantitative trait loci using locally most powerful or maximin robust rank tests. Statistics in Medicine, 31: 887-900.

· Kuk, A. Y. C., Xu, J., and Yang, Y. (2010). A study on the efficiency of pooling in haplotype estimation. Bioinformatics, 26: 2556-2563.

· Xu, J., Kabfleisch, J., and Tai, B. (2010). Statistical analysis of illness death processes and semi-competing risks data. Biometrics, 66 : 716-725.

· Xia, Y., Zhang, D., and Xu, J. (2010). Dimension reduction and semiparametric estimation of survival models. Journal of the American Statistical Association, 105: 278-290.

· Xu, J., Leng, C., and Ying, Z. (2010). Rank-based variable selection with censored data. Statistics and Computing, 20: 165-176.

· Xu, J., Yang, Y., Ying, Z. and Ott, J. (2008). Testing linkage disequilibrium from pooled DNA: A contingency table perspective. Statistics in Medicine, 27: 5801-5815.

· Kabfleisch, John D. and Xu, J. (2007). On “Maximum likelihood estimation in semiparametric regression models with censored data by Zeng and Lin”. Journal of the Royal Statistical Society. Series B, 69: 551-551.

 

 

 

2005 PhD dissertation distinction at Columbia University

 

 

 

 

· ST3131 Regression Analysis (Semester 1, AY06/07, Semester 2, AY06/07, and Semester 1, AY07/08)

· ST4240 Data Mining (Semester 2, AY07/08, and Semester 2, AY08/09)

· ST4232 Nonparametric Statistics (Semester 1, AY08/09 and Semester 1, AY09/10)

· ST5211 Sampling from Finite Populations (Semester 1, AY 09/10)

· ST5212 Survival Analysis (Semester 2, AY10/11)

· ST5207 Nonparametric Regression (Semester 1, AY11/12)

· ST5217 Statistical Methods for Genetic Analysis (Semester 2, AY11/12)

· ST5210 Multivariate Data analysis (Semester 1, AY12/13)