Colombi R, Giordano S, Cazzaro M. hmmm: An R Package for Hierarchical Multinomial Marginal Models. J. Stat. Soft. [Internet]. 2014 Sep. 12 [cited 2024 Apr. 25];59(11):1-25. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v059i11