Jinfeng Xu

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

Research interests

Survival Analysis, Model Selection, Semiparametric Inference, Statistical Genetics and Econometrics

1. Zhao, L. and Xu, J. (2003). Weak convergence of weighted empirical cumulative quantile

regression functions. Chinese Journal of Applied Probability and Statistics, 19: 161-166.

2. Xu, J., Yang, Y. and Ott, J. (2005). Survival analysis of microarray expression data by

transformation models. Computational Biology and Chemistry, 29: 91-94.

3. Kabfleisch, J. and Xu, J. (2007). Discussion 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.

4. Xu, J. and Ying, Z. (2008). Simultaneous estimation and variable selection in median regression

using lasso-type penalty. Annals of the Institute of Statistical Mathematics. (In press)

5. 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.

6. Leng, C., Xia, Y. and Xu, J. (2008). “An Adaptive Estimation Method for Semiparametric

Models and D imension Reduction”. Nonlinear Time Series and Related Fields Edited by

Kung-Sik Chan, Springer, New York, to appear.

7. Zhang, J. and Xu, J. (2009). On the k-sample Behrens-Fisher Problem for High Dimensional

Data. Science in China Series A: Mathematics , 52 (6): 1285-1304.

8. Xu, J., Leng, C., and Ying, Z. (2009). Rank-based variable selection with censored data.

Statistics and Computing, to appear.

9. Xu, J., Zhao, L., and Leng, C. (2009). Statistical Inference for Induced L-Statistics: a

Random Perturbation Approach. Journal of Nonparametric Statistics, to appear.

10. Kuk, A. and Xu, J. (2009). Relative efficiency of the fuzzy p-value approach to hypothesis

testing. International Statistical Review, to appear.

11. Xu, J., Kabfleisch, J., and Tai, B. (2009). Statistical analysis of illness death processes and

semi-competing risks data. Biometrics, to appear.

12. Xia, Y., Zhang, D., and Xu, J. (2009). Dimension reduction and semiparametric estimation of

survival models. Journal of the American Statistical Association, to appear.

Phone: (65)65168473

Office: Blk S16, 07-112

Department of Statistics and Applied Probability

National University of Singapore

6 Science Drive 2

Singapore 117546