Abstract
A new algorithm for autoregresive moving average (ARMA) parameter estimation is introduced. The algorithm is based on the group method of data handling (GMDH) first introduced by the Russian cyberneticist, A. G. Ivakhnenko, for solving high-order regression polynomials. The GMDH is heuristic in nature and self-organizes into a model of optimal complexity without any a priori knowledge about the system's inner workings. We modified the GMDH algorithm to solve for ARMA model parameters. Computer simulations have been performed to examine the efficacy of the GMDH and comparison of the GMDH is made to one of the most accurate and one of the most widely used algorithms, the fast orthogonal search (FOS) and the least-squares methods, respectively. The results show that in some cases with noise contamination and incorrect model order assumptions, the GMDH performs better than either the FOS or the least-squares methods in providing only the parameters that are associated with the true model terms. © 2001 Biomedical Engineering Society.
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Chon, K.H., Lu, S. A New Algorithm for Autoregression Moving Average Model Parameter Estimation Using Group Method of Data Handling. Annals of Biomedical Engineering 29, 92–98 (2001). https://doi.org/10.1114/1.1335539
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DOI: https://doi.org/10.1114/1.1335539