XIAO, T.; WHITMORE, G. A.; HE, X.; LEE, M.-L. T. The R Package threg to Implement Threshold Regression Models. Journal of Statistical Software, [S. l.], v. 66, n. 8, p. 1–16, 2015. DOI: 10.18637/jss.v066.i08. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v066i08. Acesso em: 23 nov. 2024.