Dr. Tu’s methodological research is in the areas of longitudinal data analysis and semiparametric regression. Much of his work concerns the modeling of specific biological processes. Part of his work involves the development of new analytical tools to improve the understanding of pathophysiology and etiology of common diseases. Dr. Tu’s recent methodological work has appeared in both theoretical and applied statistical journals, including Journal of the American Statistical Association, Biometrics, Journal of the Royal Statistical Society, and Annals of Applied Statistics.
Dr. Tu is an investigator funded by the National Institutes of Health and Centers for Disease Control & Prevention. He studies the functions of sodium retaining hormones in the renin-angiotensin system, as well as their influences on blood pressure. Dr. Tu is an elected fellow of the American Heart Association.