1.
Camillo F, D’Attoma I. %GI: A SAS Macro for Measuring and Testing Global Imbalance of Covariates within Subgroups. J. Stat. Soft. [Internet]. 2012 Nov. 13 [cited 2024 Mar. 29];51(1):1-19. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v051c01