An identity for kernel ridge regression

  • Authors:
  • Fedor Zhdanov;Yuri Kalnishkan

  • Affiliations:
  • Computer Learning Research Centre and Department of Computer Science, Royal Holloway, University of London, Surrey, United Kingdom;Computer Learning Research Centre and Department of Computer Science, Royal Holloway, University of London, Surrey, United Kingdom

  • Venue:
  • ALT'10 Proceedings of the 21st international conference on Algorithmic learning theory
  • Year:
  • 2010

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Abstract

This paper provides a probabilistic derivation of an identity connecting the square loss of ridge regression in on-line mode with the loss of a retrospectively best regressor. Some corollaries of the identity providing upper bounds for the cumulative loss of on-line ridge regression are also discussed.