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Machine Learning Clustering Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Clustering ,[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo Things on the right Things on the left
Clustering ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Some definitions ,[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
How many possible clusters? (Stirling numbers) Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo Size of  dataset Number  of clusters
What does this mean? ,[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Who is right? ,[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Classic Example: Half Moons ,[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Steps in Clustering ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Kinds of Clustering ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
A Sequential Clustering Method ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
BSAS Pseudo Code Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
A Cost-optimization method ,[object Object],[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
The K-means algorithm ,[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
K-means clustering ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
EM Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Mixture Models for Documents ,[object Object],From Blei et al., 2003 ( http://www.cs.princeton.edu/~blei/papers/BleiNgJordan2003.pdf )
Greedy Hierarchical Clustering ,[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Hierarchical Clustering on Strings ,[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo

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Clustering

  • 1. Machine Learning Clustering Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
  • 2.
  • 3.
  • 4.
  • 5. How many possible clusters? (Stirling numbers) Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo Size of dataset Number of clusters
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12. BSAS Pseudo Code Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
  • 13.
  • 14.
  • 15.
  • 16. Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
  • 17. Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
  • 18.
  • 19. Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
  • 20. Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
  • 21. Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
  • 22.
  • 23.
  • 24.
  • 25. Adapted by Doug Downey from Machine Learning EECS 349, Bryan Pardo
  • 26.