回归树|GBDT|Gradient Boosting|Gradient Boosting Classifier
2016-04-27 18:28
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已经好久没写了,正好最近需要做分享所以上来写两篇,这篇是关于决策树的,下一篇是填之前SVM的坑的。
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/c1f7bc7a51991be9e7953abd494edaac.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/2414a5a248d3cd6157f92c24e24c9477.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/546b48007280716256cb1db6feae640d.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/9fb629add06cc7755b0b751df844c67d.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/cc8fedd17af3e8d8527d945faab56e04.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/294b0d48730f7d4d1b72b8c5c116084b.png)
参考文献:
http://stats.stackexchange.com/questions/5452/r-package-gbm-bernoulli-deviance/209172#209172
http://stats.stackexchange.com/questions/157870/scikit-binomial-deviance-loss-function
http://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html
http://www.ccs.neu.edu/home/vip/teach/MLcourse/4_boosting/slides/gradient_boosting.pdf
http://wenku.baidu.com/link?url=RY7xuKESw-lQ5pKfU_Ip-GDoNh4CFd1Twnr3w2JwyGNDu6W4qdPSyGNTWaibsYTtLU2XDPU9UfTF0bYvF41fMSa_yhWphe4ZawAfpUnMg1W
https://en.wikipedia.org/wiki/Gradient_boosting
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/c1f7bc7a51991be9e7953abd494edaac.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/2414a5a248d3cd6157f92c24e24c9477.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/546b48007280716256cb1db6feae640d.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/9fb629add06cc7755b0b751df844c67d.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/cc8fedd17af3e8d8527d945faab56e04.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/202003/21/294b0d48730f7d4d1b72b8c5c116084b.png)
参考文献:
http://stats.stackexchange.com/questions/5452/r-package-gbm-bernoulli-deviance/209172#209172
http://stats.stackexchange.com/questions/157870/scikit-binomial-deviance-loss-function
http://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html
http://www.ccs.neu.edu/home/vip/teach/MLcourse/4_boosting/slides/gradient_boosting.pdf
http://wenku.baidu.com/link?url=RY7xuKESw-lQ5pKfU_Ip-GDoNh4CFd1Twnr3w2JwyGNDu6W4qdPSyGNTWaibsYTtLU2XDPU9UfTF0bYvF41fMSa_yhWphe4ZawAfpUnMg1W
https://en.wikipedia.org/wiki/Gradient_boosting
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