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Estimation of the distribution of random shifts deformation

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Abstract

Consider discrete values of functions shifted by unobserved translation effects, which are independent realizations of a random variable with unknown distribution μ modeling the variability in the response of each individual. Our aim is to construct a nonparametric estimator of the density of these random translation deformations using semiparametric preliminary estimates of the shifts. Based on the results of Dalalyan et al. [7], semiparametric estimators are obtained in our discrete framework and their performance studied. From these estimates we construct a nonparametric estimator of the target density. Both rates of convergence and an algorithm to construct the estimator are provided.

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Correspondence to I. Castillo.

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Castillo, I., Loubes, J.M. Estimation of the distribution of random shifts deformation. Math. Meth. Stat. 18, 21–42 (2009). https://doi.org/10.3103/S1066530709010025

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  • DOI: https://doi.org/10.3103/S1066530709010025

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