A novel and efficient method for testing non linear separability

  • Authors:
  • David Elizondo;Juan Miguel Ortiz-de-Lazcano-Lobato;Ralph Birkenhead

  • Affiliations:
  • School of Computing, De Montfort University, Leicester, United Kingdom;School of Computing, University of Málaga, Málaga, Spain;School of Computing, De Montfort University, Leicester, United Kingdom

  • Venue:
  • ICANN'07 Proceedings of the 17th international conference on Artificial neural networks
  • Year:
  • 2007

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Abstract

The notion of linear separability is widely used in machine learning research. Learning algorithms that use this concept to learn include neural networks (Single Layer Perceptron and Recursive Deterministic Perceptron), and kernel machines (Support Vector Machines). Several algorithms for testing linear separability exist. Some of these methods are computationally intense. Also, several of them will converge if the classes are linearly separable, but will fail to converge otherwise. A fast and efficient test for non linear separability is proposed which can be used to pretest classification data sets for non linear separability thus avoiding expensive computations. This test is based on the convex hull separability method but does not require the computation of the convex hull.