grpseq: Group Sequential Analysis of Clinical Trials
Description
Design of group sequential trials, including non-binding futility analysis at multiple time points (Gallo, Mao, and Shih, 2014, <doi:10.1080/10543406.2014.932285>).
Version: 1.0
Updated: Dec 6, 2021
CRAN site: https://cran.r-project.org/package=grpseq
References
Gallo, P., Mao, L., and Shih, V.H. (2014). Alternative views on setting clinical trial futility criteria. Journal of Biopharmaceutical Statistics, 24, 976-993.