Wurm MJ, Rathouz PJ, Hanlon BM. Regularized Ordinal Regression and the ordinalNet R Package. J. Stat. Soft. [Internet]. 2021 Sep. 8 [cited 2024 Nov. 21];99(6):1-42. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v099i06