NENADIC, O. .; GREENACRE, M. Correspondence Analysis in R, with Two- and Three-dimensional Graphics: The ca Package. Journal of Statistical Software, [S. l.], v. 20, n. 3, p. 1–13, 2007. DOI: 10.18637/jss.v020.i03. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v020i03. Acesso em: 20 apr. 2024.