Data Scientist

Clustering

  • Aleksander Sadikov
  • November 2014

Slide contents

  • Clustering
  • This slide is all black!
  • This slide is all black!
  • Goal of clustering
  • What is a good clustering?
  • What is a cluster?
  • Types of clusters
  • Types of clusters
  • k-means clustering
  • k-means (graphical example)
  • Problems with k-means
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Optimal centroids
  • Choosing k
  • Optimal centroids
  • Optimal centroids
  • Choosing k
  • Optimal centroids
  • Choosing k
  • Distance measures
  • Hierarchical clustering
  • k-means (graphical example)
  • Hierarchical clustering
  • Hierarchical clustering algorithm
  • Hierarchical clustering example
  • Hierarchical clustering exercise
  • Usage
  • Usage
  • After clustering
  • It‘s a tool, not a magic solution!