ListarDepartament: Matemàtiques por tema "Unsupervised learning"

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    • openAccess   Archetypoids: A new approach to define representative archetypal data 

      Vinué Visús, Guillermo; Epifanio, Irene; Alemany Mut, Sandra Elsevier (2015)
      The new concept archetypoids is introduced. Archetypoid analysis represents each observation in a dataset as a mixture of actual observations in the dataset, which are pure type or archetypoids. Unlike archetype analysis, ...

    • openAccess   Functional archetype and archetypoid analysis 

      Epifanio, Irene Elsevier (2016-12)
      Archetype and archetypoid analysis can be extended to functional data. Each function is approximated by a convex combination of actual observations (functional archetypoids) or functional archetypes, which are a convex ...