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机器学习笔记（持续更新中。。。）
2022-07-03 01:29:00 【北村南】
机器学习
机器学习是对能通过经验自动改进的计算机算法的研究。
——汤姆·米切尔（Tom Mitchell[Mitchell,1997]
机器学习的主要步骤
1 数据预处理：如去噪音（文本分析中去停用词）
2 特征提取：提取一些有效的特征
3 特征转换：特征加工，主要为升维和降维，降维包括特征抽取和特征选择。常见的有PCA和LDA
4 预测：学习一个函数并进行预测
参考资料
《神经网络与深度学习》--邱锡鹏教授
《机器学习》--周志华教授
《2022新版机器学习》--李宏毅
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