Research Interests

Sufficient Dimension Reduction

Variable Selection

High Dimensional Analysis

Complex Data Analysis

Education

2005–2010: Ph.D. Statistics, University of Minnesota, Advisor: Prof. R. Dennis Cook.

2001–2003: M.S. Statistics & Applied Probability, National University of Singapore.

1994–1999: B.S. Mathematics, Nankai University, Tianjin, China.

Academic Career

August 2019 – Current. Associate Professor in Department of Statistics and Data Science, Southern University of Science & Technology, China

Jan 2019 – August 2019. Associate Professor in Department of Mathematics, Southern University of Science & Technology, China

June 2011 – Jan 2019. Assistant Professor in Department of Statistics and Applied Probability, National University of Singapore

August 2010 – June 2011. Assistant Professor in Mathematics Department, Syracuse University, USA

List of Publications

1. Deng, L., Zou, C., Wang Z. and Chen X. (To appear) “Testing Constancy of Conditional Variance in High Dimension." Statistica Sinica
2. Zhang, J. and Chen, X. (To appear) “Principal Envelope Model", Journal of Statistical Planning and Inference.
3. Chen X., Ma. X and Zhou W. (To appear) “Kernel Density Regression." Journal of Statistical Planning and Inference.
4. Zhang J. and Chen X. (2019) “Robust suffcient dimension reduction via ball covariance." Computational Statistics & Data Analysis 140, 144-154.
5. Chen, X., Sheng, W., and Yin, X. (2018). “Effcient Sparse Estimate of Suffcient Dimension Reduction in High Dimension." Technometrics 60, 161-168.
6. Chen, X., Ma, X., Wang, X. and Zhang, J. (2017). Effcient Feature Screening for Ultrahigh-dimensional Varying Coeffcient Models. Statistics and Its Interface, 10, 407-412.
7. Wen, C., Zhu, S., Chen, X. and Wang, X. (2017). Adaptive Model-free Sure Independence Screening. Statistics and Its Interface, 10, 399-406.
8. Ma, X., Chen, X. and Zhang, J. (2016). Fast Robust Feature Screening for Ultrahigh-dimensional Varying Coeffcient Models. Journal of Statistical Computation and Simulation, 87, 724-732.
9. Su, Z., Zhu, G., Chen, X. and Yang, Y. (2016). Sparse Envelope Model: Effcient Estimation and Response Variable Selection in Multivariate Linear Regression. Biometrika, 103, 579-593.
10. Chen, X., Cook, R. and Zou, C. (2015). Diagnostic studies in suffcient dimension reduction. Biometrika, 102, 545-558.
11. Chen, X. and Zhu L. (2015). Connecting continuum regression with suffcient dimension reduction. Statistics & Probability Letters, 98, 44-49.
12. Zou, C. and Chen, X. (2012). On the consistency of coordinate-independent sparse estimation with BIC. Journal of Multivariate Analysis, 112, 248-255.
13. Chen, X., Zou, C. and Cook, R. (2010). Coordinate-Independent Sparse Suffcient Dimension Reduction and Variable Selection. The Annals of Statistics, 38, 3696-3723.
14. Chen, X. and Cook, R. (2010). Some Insights into Continuum Regression and its Asymptotic Properties. Biometrika, 97, 985-989.
15. Prince, A., Chen, X. and Lun, K. C. (2005) Containing Acute Disease Outbreak. Methods of Information in Medicine, 44, 603-608.