Decision tree, Random forest for classification (https://medium.com/@witchapongdaroontham/%E0%B9%80%E0%B8%88%E0%B8%B2%E0%B8%B0%E0%B8%A5%E0%B8%B6%E0%B8%81-random-forest-part-2-of-%E0%B8%A3%E0%B8%B9%E0%B9%89%E0%B8%88%E0%B8%B1%E0%B8%81-decision-tree-random-forest-%E0%B9%81%E0%B8%A5%E0%B8%B0-xgboost-79b9f41a1c1c)
