https://plumephp.com/tags/%E6%95%B0%E6%8D%AE%E9%A2%84%E5%A4%84%E7%90%86/Recent content in 数据预处理 on PlumePHPHugozh-CNThu, 13 Aug 2026 11:10:00 +0800https://plumephp.com/ai-feature-engineering/Thu, 13 Aug 2026 11:10:00 +0800https://plumephp.com/ai-feature-engineering/<p>&ldquo;数据和特征决定了机器学习的上限，而模型和算法只是逼近这个上限。&ldquo;特征工程是机器学习中最耗时但也最重要的环节，往往比模型调参带来更大的性能提升。</p>