JACKSON, C. Multi-State Models for Panel Data: The msm Package for R. Journal of Statistical Software, [S. l.], v. 38, n. 8, p. 1–28, 2011. DOI: 10.18637/jss.v038.i08. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v038i08. Acesso em: 24 nov. 2024.