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Machine Learning (Chapter 1 Basic (dataset (Example (label ->…

- - - - label -> label(output) space
      - instance
    - - attribute, feature -> feature vector
        
        value -> attribute(input) space
  - - - 广义从样例学习
        
        监督学习 supervised learning
        
        regression
        
        标记为连续值
        
        classification
        
        二分类任务
        
        反类, 负类 negative class
        
        正类 positive class
        
        标记为离散值
        
        有标记
        
        无监督学习 unsupervised learning
        
        聚类 clustering
        
        簇 cluster
        
        无标记
      - 狭义要求从训练数据中学得概念