Department of Statistics
North Carolina State University

Weihua Cao - Ph.D. Candidate

Address:  Department of Statistics
                  North Carolina State University
                  Campus Box 8203
                  2501 Founders Drive
                  Raleigh, NC 27695-8203

Email:       wcao5@ncsu.edu
Phone:   (919) 793-8198






General Information

I expect to receive my Ph.D. in Statistics from the Department of StatisticsNorth Carolina State University in August 2009 under the direction of Professor Marie Davidian and Professor Anastasios Tsiatis . My interests include statistical methods for analysis of clinical trials and observational studies, including approaches for drawing causal inferences; methods for handling missing data in statistical models; statistical models and methods for analysis of longitudinal data; and statistical inference in general. During my GIT (graduate industrial trainee) at GlaxoSmithKline, I also develop interests in design of experiments and pharmacokinetic analysis. I also have an appointment as graduate industrial trainee at GlaxoSmithKline, and I spend most Tuesdays and Thursdays over there collaborating with scientists on interesting problems in metabolic disease and infectious disease research.


Research Interests

  • Causal Inference,Longitudinal Data Analysis
  • Survival Analysis, Clinical Trials
  • Design of Experiment
  • pharmacokinetic analysis


Publications

  • Cao, W., Tsiatis, A.A., and Davidian, M. (2009) Improving efficiency and robustness of the doubly robust estimator for a population mean with incomplete data. Accepted by Biometrka


Selected Presentations

  • Improving efficiency and robustness of the doubly robust estimator for a population mean with incomplete data. Joint Statistical Meetings 2008, Denver, CO.

  • Improving efficiency and robustness of the doubly robust estimator for a population mean with incomplete data. Department Student Sampler, Sep 12, 2008, Department of Statistics, North Carolina State University.

  • Comparison of methods for stratified binary and longitudinal categorical data. Merck Research Laboratories, Aug 14, 2008, Upper Gwynedd, PA.


Work Experience

  • 08/2008-present
                        Graduate Industrial Trainee, GlaxoSmithKline .

  • 05/2008-08/2008
                        Intern, Merck & Co. .


Education

  • 08/2006-present
                        Ph.D.  Candidate, Department of StatisticsNorth Carolina State University .

  • 08/2005-05/2006
                        Ph.D. Student, Department of StatisticsPurdue University .

  • 08/2003-08/2005
                        M.S.  Applied Mathematics , Department of MathematicsCase Western Reserve University .

  • 09/1999-06/2003
                        B.S. Applied Mathematics, Fudan University, Shanghai, P.R.China


Miscellaneous