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  • ERol Computational Economics_2020_finalRevised paper

    Rights statement: The final publication is available at Springer via http://dx.doi.org/10.1007/s10614-020-10073-7

    Accepted author manuscript, 1.45 MB, PDF document

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

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A New Bootstrapped Hybrid Artificial Neural Network Approach for Time Series Forecasting

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published
<mark>Journal publication date</mark>30/04/2022
<mark>Journal</mark>Computational Economics
Issue number4
Volume59
Number of pages29
Pages (from-to)1355-1383
Publication StatusPublished
Early online date20/11/20
<mark>Original language</mark>English

Abstract

In this study, a new bootstrapped hybrid artificial neural network is proposed for forecasting. This new neural network provides input significance, linearity and nonlinearity hypothesis tests in a unique network structure via a residual bootstrap approach. The network has three parts: linear, non-linear and a combination with associated weights and biases. These weights are used to test the input significance, linearity and nonlinearity hypotheses with this new method providing empirical distributions for forecasts and weights. The proposed method employs a bagging approach to obtain forecasts. It is then applied to real-time series including the M4 Competition data set and stock exchange time series where its performance is compared with appropriate benchmark methods including other popular neural networks. The proposed method results are less affected than other neural networks by initial random weights, which means that the results of the proposed method are more stable and precise. The new method provides improvements in forecasting accuracy over the established benchmarks.

Bibliographic note

The final publication is available at Springer via http://dx.doi.org/10.1007/s10614-020-10073-7