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通过tidymodels使用XGBOOST
2022-07-29 10:23:00 【Mrrunsen】
XGBoost是一个最初用C++编写的机器学习库,通过XGBoost R包中移植到R。在过去的几年里,XGBoost在Kaggle竞赛中的有效性让它大受欢迎。在Tychobra, XGBoost是我们的首选机器学习库。
在2016年和2017年,Kaggle被两种方法所主导:梯度升压机和深度学习。具体来说,梯度增强用于结构化数据可用的问题,而深度学习用于图像分类等感知问题。前者的实践者几乎总是使用优秀的XGBoost库。
Max Kuhn和Rstudio的其他人最近将他们的注意力从caret转向了 tidymodels (caret的继承者)。“tidymodels”是一个R包的集合,它们一起工作来简化和加强模型训练和优化。随着最近发布的tidymodels.org[1],我们觉得是时候给tidymodels R包一个机会了。
这篇文章中我们使用tidymodels包训练和优化XGBoost模型。我们使用的AmesHousing[2]数据集,其中包含来自艾奥瓦州艾姆斯的住房数据。我们的模型将预测房屋销售价格。
# data cleaning
library(janitor)
# data prep
library(dplyr)
# tidymodels
library(rsample<边栏推荐
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