Making Archetypal Analysis Practical

  title={Making Archetypal Analysis Practical},
  author={C. Bauckhage and Christian Thurau},
  • C. Bauckhage, Christian Thurau
  • Published in DAGM-Symposium 2009
  • Computer Science
  • Archetypal analysis represents the members of a set of multivariate data as a convex combination of extremal points of the data. It allows for dimensionality reduction and clustering and is particularly useful whenever the data are superpositions of basic entities. However, since its computation costs grow quadratically with the number of data points, the original algorithm hardly applies to modern pattern recognition or data mining settings. In this paper, we introduce ways of notably… CONTINUE READING
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