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随机森林(Random Forest)算法原理
集成学习(ensemble)思想是为了解决单个模型或者某一组参数的模型所固有的缺陷,从而整合起更多的模型,取长补短,避免局限性。随机森林就是集成学习思想下的产物,将许多棵决策树整合成森林,并合起来用来预测最终结果。 首先,介绍自助法(bootstrap ...
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