Xinyi Xu is a Chinese-American statistician and a professor of statistics at

Ohio State University The Ohio State University (Ohio State or OSU) is a public university, public Land-grant university, land-grant research university in Columbus, Ohio, United States. A member of the University System of Ohio, it was founded in 1870. It is one ...

. Her research includes work on high-dimensional

Bayesian hierarchical modeling Bayesian hierarchical modelling is a statistical model written in multiple levels (hierarchical form) that estimates the parametric model, parameters of the Posterior probability, posterior distribution using the Bayesian inference, Bayesian metho ...

model selection Model selection is the task of selecting a model from among various candidates on the basis of performance criterion to choose the best one. In the context of machine learning and more generally statistical analysis, this may be the selection of ...

, and

density estimation In statistics, probability density estimation or simply density estimation is the construction of an estimate, based on observed data, of an unobservable underlying probability density function. The unobservable density function is thought o ...

Education and career

Xu has a 2001 bachelor's degree in mathematics from the

University of Science and Technology of China The University of Science and Technology of China (USTC) is a public university in Hefei, China. It is affiliated with the Chinese Academy of Sciences, and co-funded by the Chinese Academy of Sciences, the Ministry of Education of the People' ...

. She went to the

University of Pennsylvania The University of Pennsylvania (Penn or UPenn) is a Private university, private Ivy League research university in Philadelphia, Pennsylvania, United States. One of nine colonial colleges, it was chartered in 1755 through the efforts of f ...

for graduate study in statistics, earning a master's degree in 2003 and completing her Ph.D. in 2005. Her dissertation, '' Estimation of High Dimensional Predictive Densities'', was supervised by Edward I. George. She took her present position at Ohio State University in 2005, and earned tenure there in 2012.

Recognition

Xu received the 2005 Savage Award of the

International Society for Bayesian Analysis The International Society for Bayesian Analysis (ISBA) is a society with the goal of promoting Bayesian analysis for solving problems in the sciences and government. It was formally incorporated as a not for profit corporation by economist Arnold ...

, for one of two best dissertations that year. She was named as a

Fellow of the American Statistical Association Like many other academic professional societies, the American Statistical Association (ASA) uses the title of Fellow of the American Statistical Association as its highest honorary grade of membership. The designation of ASA Fellow has been a sign ...

in 2022, "for her fundamental contributions to predictive estimation and decision theory, Bayesian nonparametric methods, and model choice; for her service to the statistics profession; and for her advancement of Bayesian methods throughout the world".

References

{{DEFAULTSORT:Xu, Xinyi Year of birth missing (living people) Living people Chinese statisticians Chinese women scientists American statisticians American women statisticians University of Science and Technology of China alumni University of Pennsylvania alumni Ohio State University faculty Fellows of the American Statistical Association