Enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction

Over the past decades, the Least Squares Support Vector Machines (LSSVM) has been widely utilized in prediction task of various application domains. Nevertheless, existing literature showed that the capability of LSSVM is highly dependent on the value of its hyper-parameters, namely regularization p...

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Main Author: Zuriani, Mustaffa
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Language:eng
eng
Published: 2014
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https://etd.uum.edu.my/4394/2/s93651_abstract.pdf
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institution Universiti Utara Malaysia
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language eng
eng
advisor Yusof, Yuhanis
Kamaruddin, Siti Sakira
topic QA76 Computer software
spellingShingle QA76 Computer software
Zuriani, Mustaffa
Enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction
description Over the past decades, the Least Squares Support Vector Machines (LSSVM) has been widely utilized in prediction task of various application domains. Nevertheless, existing literature showed that the capability of LSSVM is highly dependent on the value of its hyper-parameters, namely regularization parameter and kernel parameter, where this would greatly affect the generalization of LSSVM in prediction task. This study proposed a hybrid algorithm, based on Artificial Bee Colony (ABC) and LSSVM, that consists of three algorithms; ABC-LSSVM, lvABC-LSSVM and cmABC-LSSVM. The lvABC algorithm is introduced to overcome the local optima problem by enriching the searching behaviour using Levy mutation. On the other hand, the cmABC algorithm that incorporates conventional mutation addresses the over- fitting or under-fitting problem. The combination of lvABC and cmABC algorithm, which is later introduced as Enhanced Artificial Bee Colony–Least Squares Support Vector Machine (eABC-LSSVM), is realized in prediction of non renewable natural resources commodity price. Upon the completion of data collection and data pre processing, the eABC-LSSVM algorithm is designed and developed. The predictability of eABC-LSSVM is measured based on five statistical metrics which include Mean Absolute Percentage Error (MAPE), prediction accuracy, symmetric MAPE (sMAPE), Root Mean Square Percentage Error (RMSPE) and Theils’ U. Results showed that the eABC-LSSVM possess lower prediction error rate as compared to eight hybridization models of LSSVM and Evolutionary Computation (EC) algorithms. In addition, the proposed algorithm is compared to single prediction techniques, namely, Support Vector Machines (SVM) and Back Propagation Neural Network (BPNN). In general, the eABC-LSSVM produced more than 90% prediction accuracy. This indicates that the proposed eABC-LSSVM is capable of solving optimization problem, specifically in the prediction task. The eABC-LSSVM is hoped to be useful to investors and commodities traders in planning their investment and projecting their profit.
format Thesis
qualification_name Ph.D.
qualification_level Doctorate
author Zuriani, Mustaffa
author_facet Zuriani, Mustaffa
author_sort Zuriani, Mustaffa
title Enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction
title_short Enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction
title_full Enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction
title_fullStr Enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction
title_full_unstemmed Enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction
title_sort enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction
granting_institution Universiti Utara Malaysia
granting_department Awang Had Salleh Graduate School of Arts & Sciences
publishDate 2014
url https://etd.uum.edu.my/4394/1/s93651.pdf
https://etd.uum.edu.my/4394/2/s93651_abstract.pdf
_version_ 1747827729916493824
spelling my-uum-etd.43942022-06-09T01:00:24Z Enhanced artificial bee colony-least squares support vector machines algorithm for time series prediction 2014 Zuriani, Mustaffa Yusof, Yuhanis Kamaruddin, Siti Sakira Awang Had Salleh Graduate School of Arts & Sciences Awang Had Salleh Graduate School of Arts and Sciences QA76 Computer software Over the past decades, the Least Squares Support Vector Machines (LSSVM) has been widely utilized in prediction task of various application domains. Nevertheless, existing literature showed that the capability of LSSVM is highly dependent on the value of its hyper-parameters, namely regularization parameter and kernel parameter, where this would greatly affect the generalization of LSSVM in prediction task. This study proposed a hybrid algorithm, based on Artificial Bee Colony (ABC) and LSSVM, that consists of three algorithms; ABC-LSSVM, lvABC-LSSVM and cmABC-LSSVM. The lvABC algorithm is introduced to overcome the local optima problem by enriching the searching behaviour using Levy mutation. On the other hand, the cmABC algorithm that incorporates conventional mutation addresses the over- fitting or under-fitting problem. The combination of lvABC and cmABC algorithm, which is later introduced as Enhanced Artificial Bee Colony–Least Squares Support Vector Machine (eABC-LSSVM), is realized in prediction of non renewable natural resources commodity price. Upon the completion of data collection and data pre processing, the eABC-LSSVM algorithm is designed and developed. The predictability of eABC-LSSVM is measured based on five statistical metrics which include Mean Absolute Percentage Error (MAPE), prediction accuracy, symmetric MAPE (sMAPE), Root Mean Square Percentage Error (RMSPE) and Theils’ U. Results showed that the eABC-LSSVM possess lower prediction error rate as compared to eight hybridization models of LSSVM and Evolutionary Computation (EC) algorithms. In addition, the proposed algorithm is compared to single prediction techniques, namely, Support Vector Machines (SVM) and Back Propagation Neural Network (BPNN). In general, the eABC-LSSVM produced more than 90% prediction accuracy. This indicates that the proposed eABC-LSSVM is capable of solving optimization problem, specifically in the prediction task. The eABC-LSSVM is hoped to be useful to investors and commodities traders in planning their investment and projecting their profit. 2014 Thesis https://etd.uum.edu.my/4394/ https://etd.uum.edu.my/4394/1/s93651.pdf text eng public https://etd.uum.edu.my/4394/2/s93651_abstract.pdf text eng public Ph.D. doctoral Universiti Utara Malaysia Abdullah, S. N., & Zeng, X. (2010, July 18-23). 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