Myron Chang

Group sequential designs using both type I and type II error probability spending functions

I. K. Hwang, Myron N. Chang, Myron Chang, 1998 .

P-values for group sequential testing

A. Lawrence Gould, Steven M. Snapinn, A. Gould, 1995 .

Improved Estimation of Survival Functions in the New-Better-Than-Used Class

P. V. Rao, Myron N. Chang, Myron Chang, 1993 .