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Density estimation with quadratic loss: a confidence intervals method
2006-03-15 · via math.ST updates on arXiv.org

In a previous article, a least square regression estimation procedure was proposed: first, we condiser a family of functions and study the properties of an estimator in every unidimensionnal model defined by one of these functions; we then show how to aggregate these estimators. The purpose of this paper is to extend this method to the case of density estimation. We first give a general overview of the method, adapted to the density estimation problem. We then show that this leads to adaptative estimators, that means that the estimator reaches the best possible rate of convergence (up to a $\log$ factor). Finally we show some ways to improve and generalize the method.

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