专栏名称: 机器学习研究会
机器学习研究会是北京大学大数据与机器学习创新中心旗下的学生组织,旨在构建一个机器学习从事者交流的平台。除了及时分享领域资讯外,协会还会举办各种业界巨头/学术神牛讲座、学术大牛沙龙分享会、real data 创新竞赛等活动。
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​ 【论文】硕士论文:XGBoost提升树——为什么XGBoost能“横扫”机器学习竞赛

机器学习研究会  · 公众号  · AI  · 2017-04-19 18:57
    

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点击上方 “机器学习研究会” 可以订阅哦 摘要   转自:爱可可-爱生活 硕士论文《Tree Boosting With XGBoost - Why Does XGBoost Win "Every" Machine Learning Competition?》摘要: Tree boosting has empirically proven to be a highly effective approach to predictive modeling.It has shown remarkable results for a vast array of problems.For many years, MART has been the tree boosting method of choice.More recently, a tree boosting method known as XGBoost has gained popularity by winning numerous machine learning competitions. In this thesis, we will investigate how XGBoost differs from the more traditional MART. We will show that XGBoost employs a boosting algorithm which we will term Newton boosting. This boosting algorithm will further be compared with the gradient boosting algorithm that MART emplo ………………………………

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