CRTpowerdist: An R package to calculate attained power and construct the power distribution for cross-sectional stepped-wedge and parallel cluster randomized trials. - Yongdong Ouyang; Liang Xu; Mohammad Ehsanul Karim; Paul Gustafson; Hubert Wong (Comput. Methods Programs Biomed., 2021)

Bayesian adaptive enrichment design in multi-arm clinical trials: The BayesAET package for R users. - Denghuang Zhan; Yongdong Ouyang; Fidel Vila-Rodriguez; Mohammad Ehsanul Karim; Hubert Wong (Comput. Methods Programs Biomed., 2025)