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Provost Chapter 6: Similarity, Neighbors, Clusters (nearest-neighbor…

- - - - Euclidean distance
        
        the overall distance by computing the distances of individual dimensions - the individual features in our setting
- - - - classification
      - probability estimation
      - regression
  - - - classification: majority voting
      - the greater k is the more estimates are smoothed out among neighbors
      - weighted scoring
- - - - data preparation
      - news story clusters