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Dominique, F. and Aimé, F. (1998) Calcul des probabilities: Cours, exercices et problèmes corrigés. 2e edition, Dunod, Paris.

has been cited by the following article:

  • TITLE: From Nonparametric Density Estimation to Parametric Estimation of Multidimensional Diffusion Processes

    AUTHORS: Julien Apala N’drin, Ouagnina Hili

    KEYWORDS: Hellinger Distance Estimation, Multidimensional Diffusion Processes, Strong Mixing Process, Consistence, Asymptotic Normality

    JOURNAL NAME: Applied Mathematics, Vol.6 No.9, August 21, 2015

    ABSTRACT: The paper deals with the estimation of parameters of multidimensional diffusion processes that are discretely observed. We construct estimator of the parameters based on the minimum Hellinger distance method. This method is based on the minimization of the Hellinger distance between the density of the invariant distribution of the diffusion process and a nonparametric estimator of this density. We give conditions which ensure the existence of an invariant measure that admits density with respect to the Lebesgue measure and the strong mixing property with exponential rate for the Markov process. Under this condition, we define an estimator of the density based on kernel function and study his properties (almost sure convergence and asymptotic normality). After, using the estimator of the density, we construct the minimum Hellinger distance estimator of the parameters of the diffusion process and establish the almost sure convergence and the asymptotic normality of this estimator. To illustrate the properties of the estimator of the parameters, we apply the method to two examples of multidimensional diffusion processes.