数据科学中的R和Python
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数据科学中的R和PythonDESCRIPTION
Data Science is the art of turning data into actions. 星期五, 五月 22, 2015. 提升方法是集成学习中预测能力最强的一种方法在R和Python中都有相应的扩展库和丰富的函数不过对于初学者来讲理解这种方法不是很容易本文基于R的决策树包实现两种基本的提升树即回归提升树和分类提升树有助于理解提升方法的原理以及各项参数的作用公式推导可以见 这篇文章. 星期二, 四月 21, 2015. 星期六, 四月 18, 2015. 中谈到了使用奇异值分解来对一个文本词项矩阵进行降维本文是使用同样的数据但是使用不同的工具来处理也就是非负矩阵分解nmf的好处在于比svd更容易解释而且自带正则功能 星期五, 四月 17, 2015. 订阅 帖子 Atom. R语言多元分析系列之五聚类分析完. Simple模板. 由 Blogger.CONTENT
This web page xccds1977.blogspot.com states the following, "Data Science is the art of turning data into actions." We saw that the webpage said " 星期五, 五月 22, 2015." It also said " 星期二, 四月 21, 2015. 星期六, 四月 18, 2015. 中谈到了使用奇异值分解来对一个文本词项矩阵进行降维本文是使用同样的数据但是使用不同的工具来处理也就是非负矩阵分解nmf的好处在于比svd更容易解释而且自带正则功能 星期五, 四月 17, 2015."SEEK SIMILAR DOMAINS
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