CANTONI, E. Resistant Nonparametric Smoothing with S-PLUS. Journal of Statistical Software, [S. l.], v. 10, n. 2, p. 1–6, 2004. DOI: 10.18637/jss.v010.i02. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v010i02. Acesso em: 2 may. 2024.