AR and MA representation of partial autocorrelation functions, with applications
classification
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math.PR
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pacfautocorrelationcoefficientspartialrepresentationtermsapplicationsapply
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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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