My research interests include parametric estimation theory in statistical linear model, growth
curve model, measurement error (errors-in-variables) model; Projection pursuit approach;
hypothesis testing; multivariate data analysis; nonparametric, semiparametric and robust
statistics; empirical likelihood method; quality control; statistical computing and numerical
analysis. My ongoing research is on the model checking and the theory of statistical depth
functions and its applications to multivariate exploratory data analysis, pattern recognition,
quality control and system reliability, biomedical sciences, etc.