Kharrat T, Boshnakov GN, McHale I, Baker R. Flexible Regression Models for Count Data Based on Renewal Processes: The Countr Package. J. Stat. Soft. [Internet]. 2019 Aug. 21 [cited 2024 Nov. 21];90(13):1-35. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v090i13