Design of group sequential trials, including non-binding futility analysis at multiple time points (Gallo, Mao, and Shih, 2014, ).
It appears you don't have a PDF plugin for this browser. You can click here to download the reference manual.
1.0 by Lu Mao, 5 years ago
https://sites.google.com/view/lmaowisc/
Browse source code at https://github.com/cran/grpseq
Authors: Lu Mao
Documentation: PDF Manual
GPL (>= 2) license
Imports mvtnorm
Suggests knitr, rmarkdown
See at CRAN