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A note on the residual empirical process in autoregressive models

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  • Lee, Sangyeol

Abstract

Suppose that {Xt} is the stationary AR(p) process of the form: Xt - [mu] = [beta]1(Xt-1 - [mu]) + ... + [beta]p(Xt-p - [mu]) + [var epsilon]t, where {[var epsilon]t} is a sequence of i.i.d. random variables with mean zero and finite variance [sigma]2. In this paper, we study the asymptotic behavior of the empirical process computed from the least-squares residuals, for which some estimators of [mu] and [sigma]2 are substituted. Due to the estimation of the location and scale parameters, the limiting process of the residual empirical process is shown to be a Gaussian process which is not a standard Brownian bridge. The result is applicable to the goodness-of-fit test of the errors in autoregressive processes.

Suggested Citation

  • Lee, Sangyeol, 1997. "A note on the residual empirical process in autoregressive models," Statistics & Probability Letters, Elsevier, vol. 32(4), pages 405-411, April.
  • Handle: RePEc:eee:stapro:v:32:y:1997:i:4:p:405-411
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    Cited by:

    1. Sucarrat, Genaro & Grønneberg, Steffen & Escribano, Alvaro, 2016. "Estimation and inference in univariate and multivariate log-GARCH-X models when the conditional density is unknown," Computational Statistics & Data Analysis, Elsevier, vol. 100(C), pages 582-594.
    2. Bouhaddioui, Chafik & Ghoudi, Kilani, 2012. "Empirical processes for infinite variance autoregressive models," Journal of Multivariate Analysis, Elsevier, vol. 107(C), pages 319-335.

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