visualization /Information Visualization

Clustering(2)

뚜둔뚜둔 2024. 12. 16. 17:46

Distance-based methods

  • Discovering tge grouping in a dataset based on the distances of data onjects
  • Partitioning
    • GIven k, find a partition of k clusters that optimizes the chosen distance-based objective function
    • k-Means
    • k-Means++
    • k-Medoids
  • Hierarchical
    • generate a clustering hierachy, visualized as a dendrogram
    • Agglomerative VS divisive
    • Cluster distance measures
    • BIRCH
      • cluster features(CF) to summarize a cluster
      • CF-tree to represent a cluster hierachy
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