Grubinger, Thomas, Achim Zeileis, and Karl-Peter Pfeiffer. “Evtree: Evolutionary Learning of Globally Optimal Classification and Regression Trees in R”. Journal of Statistical Software 61, no. 1 (October 24, 2014): 1–29. Accessed April 19, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v061i01.