Yang Zhao
Research Interests
Statistics and biostatistics: incomplete data, measurement error, estimating equation, maximum likelihood, EM-algorithm, goodness of fits, and two-phase sampling design
Current Courses
No courses in Spring/Summer 2026.
Recent Publications
1) Zhao, Yang. 2025. “A General Semiparametric Maximum Likelihood Method for Cox Regression Models with Nonmonotone Missing at Random Covariates.” Comput. Statist. 40 (9): 5417–32.
2) Zhao, Yang. 2025. “Unified Estimation Method for Partially Linear Models with Nonmonotone Missing at Random Data.” Biom. J. 67 (5): Paper No. e70070, 7. https://doi.org/10.1002/bimj.70070.
3) Zhao, Yang. Maximum likelihood estimation of missing data probability for nonmonotone missing at random data. Stat. Methods Appl. 32 (2023), no. 1, 197–209.