Dunsmuir, William T. M., and David J. Scott. “The Glarma Package for Observation-Driven Time Series Regression of Counts”. Journal of Statistical Software 67, no. 7 (October 7, 2015): 1–36. Accessed December 4, 2022. https://www.jstatsoft.org/index.php/jss/article/view/v067i07.