See Appendix C for a more detailed explanation of random forests and the matching algorithm used in this report, as well as Zhao, Peng, Xiaogang Su, Tingting Ge and Juanjuan Fan. 2016. “Propensity ...

Development and validation cohorts included 14,760 and 14,620 patients with lung cancer, respectively. Validation analyses assessed clinical, random forest, and simple logistic regression algorithms.