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Mean and covariance matrix adaptive estimation for a weakly stationary process. Application in stochastic optimization

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  • Guigues Vincent

Abstract

We introduce an adaptive algorithm to estimate the uncertain parameter of a stochastic optimization problem. The procedure estimates the one-step-ahead means, variances and covariances of a random process in a distribution-free and multidimensional framework when these means, variances and covariances are slowly varying on a given past interval. The quality of the approximate problem obtained when employing our estimation of the uncertain parameter is controlled in function of the number of components of the process and of the length of the largest past interval where the means, variances and covariances slowly vary. The procedure is finally applied to a portfolio selection model.

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  • Guigues Vincent, 2008. "Mean and covariance matrix adaptive estimation for a weakly stationary process. Application in stochastic optimization," Statistics & Risk Modeling, De Gruyter, vol. 26(2), pages 109-143, March.
    • Handle: RePEc:bpj:strimo:v:26:y:2008:i:2:p:109-143:n:4
    DOI: 10.1524/stnd.2008.0916
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    References listed on IDEAS

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    1. Alexander Shapiro, 1993. "Asymptotic Behavior of Optimal Solutions in Stochastic Programming," Mathematics of Operations Research, INFORMS, vol. 18(4), pages 829-845, November.
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    Cited by:

    1. Vincent Guigues, 2012. "Nonparametric multivariate breakpoint detection for the means, variances, and covariances of a discrete time stochastic process," Journal of Nonparametric Statistics, Taylor & Francis Journals, vol. 24(4), pages 857-882, December.

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