<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Feature-Selection on PlumePHP</title><link>https://plumephp.com/tags/feature-selection/</link><description>Recent content in Feature-Selection on PlumePHP</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Sun, 27 Sep 2026 10:00:00 +0800</lastBuildDate><atom:link href="https://plumephp.com/tags/feature-selection/index.xml" rel="self" type="application/rss+xml"/><item><title>特征工程实战：从原始数据到有效特征的完整流程</title><link>https://plumephp.com/ml-feature-engineering/</link><pubDate>Sun, 27 Sep 2026 10:00:00 +0800</pubDate><guid>https://plumephp.com/ml-feature-engineering/</guid><description>&lt;h2 id="引言"&gt;引言&lt;/h2&gt;
&lt;p&gt;「模型决定上限，特征决定下限」——同一份数据、同一个算法，特征工程做得好坏可以拉开成倍的差距。很多「调参大师」在竞赛里拼不过「特征专家」，原因就在这。&lt;/p&gt;</description></item></channel></rss>