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September, 1982 Autocorrelation, Autoregression and Autoregressive Approximation
Hong-Zhi An, Chen Zhao-Guo, E. J. Hannan
Ann. Statist. 10(3): 926-936 (September, 1982). DOI: 10.1214/aos/1176345882

Abstract

Theorems are proved relating to the rate of almost sure convergence of autocovariances, and hence autocorrelations, to their true values. These rates are uniform in the lag up to some order $P(T)$, increasing with $T$. The key assumption is that the process is stationary and the best linear predictor is the best predictor. In particular for an ARMA process and $P(T) = O\{(\ln T)^a\}, a < \infty$, the rate is $O\{(\ln \ln T/T)^{1/2}\}$. These results are used to discuss autoregressions and the use of autoregressions to approximate the structure of a more general process by increasing the order of the autoregression with $T$.

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Hong-Zhi An. Chen Zhao-Guo. E. J. Hannan. "Autocorrelation, Autoregression and Autoregressive Approximation." Ann. Statist. 10 (3) 926 - 936, September, 1982. https://doi.org/10.1214/aos/1176345882

Information

Published: September, 1982
First available in Project Euclid: 12 April 2007

zbMATH: 0512.62087
MathSciNet: MR663443
Digital Object Identifier: 10.1214/aos/1176345882

Subjects:
Primary: 62M10
Secondary: 60F15

Rights: Copyright © 1982 Institute of Mathematical Statistics

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Vol.10 • No. 3 • September, 1982
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