Estimation and Simulation of Autoregressive Hilbertian Processes with Exogenous Variables |
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Authors: | Julien Damon Serge Guillas |
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Institution: | (1) Université Paris 6 (Pierre et Marie Curie) and Médiamétrie, France;(2) Université Paris 6 (Pierre et Marie Curie) and Ecole des mines de Douai, France |
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Abstract: | We present the autoregressive Hilbertian with exogenous variables model (ARHX) which intends to take into account the dependence
structure of random curves viewed as H-valued random variables, where H is a Hilbert space of functions, under the influence
of explanatory variables. Limit theorems and consistent estimators are derived from an autoregressive representation. A simulation
study illustrates the accuracy of the estimation by making a comparison on forecasts with other functional models. |
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Keywords: | autoregressive processes exogenous variables functional data forecasting simulation ARHX |
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