AR and MA representation of partial autocorrelation functions, with applications

被引:0
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作者
Akihiko Inoue
机构
[1] Hokkaido University,Department of Mathematics, Faculty of Science
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关键词
Partial autocorrelation functions; Verblunsky coefficients; Orthogonal polynomials on the unit circle; Baxter’s condition; Fractional ARIMA processes; Long memory; Primary: 62M10; Secondary: 42C05; Secondary: 60G10;
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摘要
We prove a representation of the partial autocorrelation function (PACF), or the Verblunsky coefficients, of a stationary process in terms of the AR and MA coefficients. We apply it to show the asymptotic behaviour of the PACF. We also propose a new definition of short and long memory in terms of the PACF.
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页码:523 / 551
页数:28
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