Lê, Sébastien, Julie Josse, and François Husson. “FactoMineR: An R Package for Multivariate Analysis”. Journal of Statistical Software 25, no. 1 (March 18, 2008): 1–18. Accessed December 3, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v025i01.