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Adaptive deep learning for nonlinear time series models
May 6, 2024, 4:46 a.m. | Daisuke Kurisu, Riku Fukami, Yuta Koike
stat.ML updates on arXiv.org arxiv.org
Abstract: In this paper, we develop a general theory for adaptive nonparametric estimation of the mean function of a non-stationary and nonlinear time series model using deep neural networks (DNNs). We first consider two types of DNN estimators, non-penalized and sparse-penalized DNN estimators, and establish their generalization error bounds for general non-stationary time series. We then derive minimax lower bounds for estimating mean functions belonging to a wide class of nonlinear autoregressive (AR) models that include …
abstract arxiv deep learning dnn error function general math.st mean networks neural networks paper series stat.ml stat.th theory time series type types
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