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In this paper we propose and examine new approaches in smoothing transition autoregressive (STAR) models. Firstly, a new STAR function is proposed, which is the hyperbolic tangent sigmoid function. Secondly, we propose Feed-Forward Neural Networks Smoothing Transition Autoregressive (FFNN-STAR)...
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Recently, Donaldson and Kamstra (1997) proposed a class of NN-GARCH models which are extended to a class of NN-GARCH family by Bildirici and Ersin (2009). The study aims to analyze the nonlinear behavior and leptokurtic distribution in petrol prices by utilizing a newly developed family of...
Persistent link: https://www.econbiz.de/10013103072
The object of research: The object of research is modeling and forecasting nonlinear nonstationary processes presented in the form of time-series data.Investigated problem: There are several popular approaches to solving the problems of adequate model constructing and forecasting nonlinear...
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