Morin, Sacha, Robin Legault, Félix Laliberté, Zsuzsa Bakk, Charles-Édouard Giguère, Roxane de la Sablonnière, and Éric Lacourse. “StepMix: A Python Package for Pseudo-Likelihood Estimation of Generalized Mixture Models With External Variables”. Journal of Statistical Software 113, no. 8 (July 14, 2025): 1–39. Accessed February 20, 2026. https://www.jstatsoft.org/index.php/jss/article/view/v113i08.