Maximum Likelihood Estimation For Arma Models in the Presence of Arma Errors

Jong Hyup Lee, Dong Wan Shin

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

An ARMA(p, q) process observed with an ARMA(c, d) error has an ARMA (p + c, k) representation with k = max(c + q, p + d) whose parameters satisfy some nonlinear constraints. Identification of the model is discussed. We develop Newton-Raphson estimators for the ARMA(p + c, k) process which take advantage of the information contained in the nonlinear restrictions. Explicit expressions for the derivatives of the restrictions are derived.

Original languageEnglish
Pages (from-to)1057-1072
Number of pages16
JournalCommunications in Statistics - Theory and Methods
Volume26
Issue number5
DOIs
StatePublished - 1997

Bibliographical note

Funding Information:
This research is supported by a grant from Korea Science and Engineering

Keywords

  • ARMA error
  • Identification
  • Maximum likelihood estimation
  • Newton-Raphson procedure

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