Degeneracy of time series models : The best model is not always the correct model

Kevin Judd, T. Nakamura

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

There are a number of good techniques for finding, in some sense, the best model of a deterministic system given a time series of observations. We examine a problem called model degeneracy, which has the consequence that even when a perfect model of a system exists, one does not find it using the best techniques currently available. The problem is illustrated using global polynomial models and the theory of Grobner bases. (c) 2006 American Institute of Physics.
Original languageEnglish
Pages (from-to)033105 (3 pages)
JournalChaos
Volume16
Issue number3
DOIs
Publication statusPublished - 2006

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