Ronghui Lily Xu

Ronghui (Lily) Xu is an Associate Professor at the University of California, San Diego (UCSD), affiliated with the Department of Family and Preventive Medicine and the Department of Mathematics. She previously served as an Assistant Professor at Harvard School of Public Health and Dana-Farber Cancer Institute from 1997 to 2004. Her research focuses on advanced statistical methodologies for complex biomedical data.

• Education: Ph.D. in Mathematics from UCSD (1996), M.S. in Applied Mathematics from UCSD (1995).

Research Interests:

• Survival analysis with high-dimensional covariates
• Machine learning applications in competing risks modeling
• Causal inference for rare events in medical studies
• Propensity scores and instrumental variable methods
• Robust statistical modeling for clinical oncology
• Development of statistical software tools

Scientific Contributions:

• Developed R packages for survival analysis (phmm, TimeVTree, CoxR2, tsriadditive, survSens)
• Co-edited key reference works: High Dimensional Data Analysis in Cancer Research (Springer, 2008), and chapters in Handbook of Statistics in Clinical Oncology (2012), Encyclopedia of Biostatistics (1998), and Handbook of Survival Analysis (2014).

Teaching: Has taught graduate-level courses including MATH 288 (Biostatistics Seminar), MATH 281A-C, MATH 183, MATH 181B/A, MATH 284, and MATH 189 at UCSD.