da Silva-Júnior, Antonio Hermes M., Damião Nóbrega da Silva, and Silvia L. P. Ferrari. “Mdscore: An R Package to Compute Improved Score Tests in Generalized Linear Models”. Journal of Statistical Software, Code Snippets 61, no. 2 (October 24, 2014): 1–16. Accessed May 23, 2022. https://www.jstatsoft.org/index.php/jss/article/view/v061c02.