Method for time-varying series analysis

Research output: Contribution to journalArticlepeer-review

Abstract

The time-varying series model whose white-noise standard deviation varies with time is researched. A method for determining the function forms of white-noise standard deviation, autoregressive and moving average coefficients is established. The least square method and the maximum likelihood method are used respectively to determine the parameters. The prediction formula and its error estimation are also established. Its regression and time-varying autoregression model are presented.

Original languageEnglish
Pages (from-to)353-357
Number of pages5
JournalJixie Qiangdu/Journal of Mechanical Strength
Volume28
Issue number3
StatePublished - Jun 2006

Keywords

  • Non-stationary series
  • Prediction
  • Time-varying autoregression
  • Time-varying parameter
  • Time-varying series

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