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Prediction Intervals for a Noisy Nonlinear Time Series Based on a Bootstrapping Reservoir Computing Network Ensemble
发表时间:2019-03-09 点击次数:
论文类型:期刊论文
第一作者:Sheng, Chunyang
通讯作者:Sheng, CY (reprint author), Dalian Univ Technol, Res Ctr Informat & Control, Dalian 116023, Peoples R China.
合写作者:Zhao, Jun,Wang, Wei,Leung, Henry
发表时间:2013-07-01
发表刊物:IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
收录刊物:SCIE、EI、Scopus
文献类型:J
卷号:24
期号:7
页面范围:1036-1048
ISSN号:2162-237X
关键字:Bootstrap; network ensemble; noisy nonlinear time series; prediction intervals (PIs); reservoir computing networks (RCNs)
摘要:Prediction intervals that provide estimated values as well as the corresponding reliability are applied to nonlinear time series forecast. However, constructing reliable prediction intervals for noisy time series is still a challenge. In this paper, a bootstrapping reservoir computing network ensemble (BRCNE) is proposed and a simultaneous training method based on Bayesian linear regression is developed. In addition, the structural parameters of the BRCNE, that is, the number of reservoir computing networks and the reservoir dimension, are determined off-line by the 0.632 bootstrap cross-validation. To verify the effectiveness of the proposed method, two kinds of time series data, including the multisuperimposed oscillator problem with additive noises and a practical gas flow in steel industry are employed here. The experimental results indicate that the proposed approach has a satisfactory performance on prediction intervals for practical applications.
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