Building ARMA Models with Genetic Algorithms

  • Authors:
  • Tommaso Minerva;Irene Poli

  • Affiliations:
  • -;-

  • Venue:
  • Proceedings of the EvoWorkshops on Applications of Evolutionary Computing
  • Year:
  • 2001

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Abstract

The current state of the art in selecting ARMA time series models requires competence and experience on the part of the practitioner, and sometimes the results are not very satisfactory. In this paper, we propose a new automatic approach to the model selection problem, based upon evolutionary computation. We build a genetic algorithm which evolves the representation of a predictive model, choosing both the orders and the predictors of the model. In simulation studies, the procedure succeeded in identifying the data generating process in the great majority of cases studied.