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Article Dans Une Revue Electronic Journal of Statistics Année : 2018

Ridge regression for the functional concurrent model

Résumé

The aim of this paper is to propose estimators of the unknown functional coefficients in the Functional Concurrent Model (FCM). We extend the Ridge Regression method developed in the classical linear case to the functional data framework. Two distinct penalized estimators are obtained: one with a constant regularization parameter and the other with a functional one. We prove the probability convergence of these estimators with rate. Then we study the practical choice of both regularization parameters. Additionally, we present some simulations that show the accuracy of these estimators despite a very low signal-to-noise ratio. MSC 2010 subject classifications: Primary 62J05, 62G05, 62G20; secondary 62J07.
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hal-01819398 , version 1 (20-06-2018)

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Tito Manrique Chuquillanqui, Christophe Crambes, Nadine Hilgert. Ridge regression for the functional concurrent model. Electronic Journal of Statistics , 2018, 12 (1), pp.985 - 1018. ⟨10.1214/18-EJS1412⟩. ⟨hal-01819398⟩
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