cvcrand: A Package for Covariate-constrained Randomization and the Clustered Permutation Test for Cluster Randomized Trials. - Hengshi Yu; Fan Li; John A. Gallis; Elizabeth Turner (R J., 2019)

A note on the estimation and inference with quadratic inference functions for correlated outcomes. - Hengshi Yu; Guangyu Tong; Fan Li (Commun. Stat. Simul. Comput., 2022)