Pattern classification with missing data: a review

  • Authors:
  • Pedro J. García-Laencina;José-Luis Sancho-Gómez;Aníbal R. Figueiras-Vidal

  • Affiliations:
  • Universidad Politécnica de Cartagena, Dpto. Tecnologías de la Información y las Comunicaciones, Plaza del Hospital 1, 30202, Cartagena (Murcia), Spain;Universidad Politécnica de Cartagena, Dpto. Tecnologías de la Información y las Comunicaciones, Plaza del Hospital 1, 30202, Cartagena (Murcia), Spain;Universidad Carlos III de Madrid, Dpto. Teoría de Señal y Comunicaciones, Avda. de la Universidad, 30, 28911, Leganés (Madrid), Spain

  • Venue:
  • Neural Computing and Applications - Special Issue - KES2008
  • Year:
  • 2010

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Abstract

Pattern classification has been successfully applied in many problem domains, such as biometric recognition, document classification or medical diagnosis. Missing or unknown data are a common drawback that pattern recognition techniques need to deal with when solving real-life classification tasks. Machine learning approaches and methods imported from statistical learning theory have been most intensively studied and used in this subject. The aim of this work is to analyze the missing data problem in pattern classification tasks, and to summarize and compare some of the well-known methods used for handling missing values.