Stasinopoulos, D. Mikis, and Robert A. Rigby. “Generalized Additive Models for Location Scale and Shape (GAMLSS) in R”. Journal of Statistical Software 23, no. 7 (December 31, 2007): 1–46. Accessed November 21, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v023i07.