<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Tuoob的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Tuoob</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Tuoob]]></copyright><item><title><![CDATA[关于决策树]]></title><link>https://blog.youkuaiyun.com/Tuoob/article/details/130192382</link><guid>https://blog.youkuaiyun.com/Tuoob/article/details/130192382</guid><author>Tuoob</author><pubDate>Mon, 17 Apr 2023 09:18:42 +0800</pubDate><description><![CDATA[4）、训练算法：这个过程也就是构造决策树，同样也可以说是决策树学习，就是构造一个决策树的数据结构。因此，实际的决策树学习算法是基于启发式算法，例如在每个节点进行局部最优决策的贪心算法，这样的算法不能保证返回全局最有决策树，这个问题可以通过集成学习来训练多颗决策树来缓解，这多棵决策树一般通过对特征和样本又放回的随机采样来生成；（3）如果还有子集不能够被正确的分类，那么就对这些子集选择新的最优特征，继续对其进行分割，构建相应的节点，如此递归进行，直至所有训练数据子集被基本正确的分类，或者没有合适的特征为止。]]></description><category></category></item><item><title><![CDATA[关于面向对象]]></title><link>https://blog.youkuaiyun.com/Tuoob/article/details/129356710</link><guid>https://blog.youkuaiyun.com/Tuoob/article/details/129356710</guid><author>Tuoob</author><pubDate>Mon, 06 Mar 2023 11:07:40 +0800</pubDate><description><![CDATA[面向对象]]></description><category></category></item><item><title><![CDATA[数据分析作业]]></title><link>https://blog.youkuaiyun.com/Tuoob/article/details/129252266</link><guid>https://blog.youkuaiyun.com/Tuoob/article/details/129252266</guid><author>Tuoob</author><pubDate>Mon, 27 Feb 2023 23:21:47 +0800</pubDate><description><![CDATA[数据分析]]></description><category></category></item><item><title><![CDATA[波士顿房价预测]]></title><link>https://blog.youkuaiyun.com/Tuoob/article/details/129232758</link><guid>https://blog.youkuaiyun.com/Tuoob/article/details/129232758</guid><author>Tuoob</author><pubDate>Sun, 26 Feb 2023 22:21:06 +0800</pubDate><description><![CDATA[波士顿房价]]></description><category></category></item><item><title><![CDATA[数据读取（2022.2.14作业）]]></title><link>https://blog.youkuaiyun.com/Tuoob/article/details/129049639</link><guid>https://blog.youkuaiyun.com/Tuoob/article/details/129049639</guid><author>Tuoob</author><pubDate>Wed, 15 Feb 2023 20:23:29 +0800</pubDate><description><![CDATA[数据读取]]></description><category></category></item><item><title><![CDATA[anaconda安装(2023.2.13作业）]]></title><link>https://blog.youkuaiyun.com/Tuoob/article/details/129048253</link><guid>https://blog.youkuaiyun.com/Tuoob/article/details/129048253</guid><author>Tuoob</author><pubDate>Wed, 15 Feb 2023 18:28:22 +0800</pubDate><description><![CDATA[安装anconda]]></description><category></category></item><item><title><![CDATA[【anaconda】]]></title><link>https://blog.youkuaiyun.com/Tuoob/article/details/129047720</link><guid>https://blog.youkuaiyun.com/Tuoob/article/details/129047720</guid><author>Tuoob</author><pubDate>Wed, 15 Feb 2023 17:41:57 +0800</pubDate><description><![CDATA[13号作业]]></description><category></category></item></channel></rss>