- Random Forest by Leonard Breiman: https://www.stat.berkeley.edu/~breiman/randomforest2001.pdf
- Ensemble Methods in Data Mining: Improving Accuracy Through Combining Predictions, by Giovanny Seni, John F. Elde, Nitin Agarwal and Huan Liu: https://doc.lagout.org/Others/Data%20Mining/Ensemble%20Methods%20in%20Data%20Mining_%20Improving%20Accuracy%20through%20Combining%20Predictions%20%5BSeni%20%26%20Elder%202010-02-24%5D.pdf
- Official caret package website: http://topepo.github.io/caret/