Nonparametric estimation and U-statistics have emerged as vital tools in modern statistical analysis, offering robust alternatives to traditional parametric methods. Nonparametric techniques bypass ...

We provide novel, high-order accurate methods for non-parametric inference on quantile differences between two populations in both unconditional and conditional settings. These quantile differences ...

Xiao Wang, J.O. Berger and M.E. Bock Professor of Statistics (Purdue University Photo/Alisha Referda) Purdue University College of Science named Professor Xiao Wang as head of the Department of ...

In competing risks setup, the data for each subject consist of the event time, censoring indicator, and event category. However, sometimes the information about the event category can be missing, as, ...