DE LEEUW, J.; MAIR, P. Gifi Methods for Optimal Scaling in R: The Package homals. Journal of Statistical Software, [S. l.], v. 31, n. 4, p. 1–21, 2009. DOI: 10.18637/jss.v031.i04. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v031i04. Acesso em: 24 nov. 2024.