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Before implementing any multivariate statistical analysis based on em- pirical covariance matrices, it is important to check whether outliers are present because their existence could induce significant biases. In this article, we present the minimum covariance determinant estimator, which is...
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Cette contribution propose un modèle théorique permettant d?identifier les tendances générales dans le mouvement des électeurs volatiles. Notre méthode permet à partir de données décentralisées de compléter les enquêtes d?opinions pour comprendre quelle part du résultat d?un parti...
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