Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering Analysis
One heuristic evolutionary algorithm recently proposed is the grey wolf optimizer (GWO), inspired by the leadership hierarchy and hunting mechanism of grey wolves in nature. This paper presents an extended GWO algorithm based on Powell local optimization method, and we call it PGWO. PGWO algorithm s...
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| Format: | Article |
| Language: | English |
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Wiley
2015-01-01
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| Series: | Discrete Dynamics in Nature and Society |
| Online Access: | http://dx.doi.org/10.1155/2015/481360 |
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| _version_ | 1832552433779212288 |
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| author | Sen Zhang Yongquan Zhou |
| author_facet | Sen Zhang Yongquan Zhou |
| author_sort | Sen Zhang |
| collection | DOAJ |
| description | One heuristic evolutionary algorithm recently proposed is the grey wolf optimizer (GWO), inspired by the leadership hierarchy and hunting mechanism of grey wolves in nature. This paper presents an extended GWO algorithm based on Powell local optimization method, and we call it PGWO. PGWO algorithm significantly improves the original GWO in solving complex optimization problems. Clustering is a popular data analysis and data mining technique. Hence, the PGWO could be applied in solving clustering problems. In this study, first the PGWO algorithm is tested on seven benchmark functions. Second, the PGWO algorithm is used for data clustering on nine data sets. Compared to other state-of-the-art evolutionary algorithms, the results of benchmark and data clustering demonstrate the superior performance of PGWO algorithm. |
| format | Article |
| id | doaj-art-5994bb85ce9f4a9594fa9f84bc05cb69 |
| institution | Kabale University |
| issn | 1026-0226 1607-887X |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Discrete Dynamics in Nature and Society |
| spelling | doaj-art-5994bb85ce9f4a9594fa9f84bc05cb692025-02-03T05:58:36ZengWileyDiscrete Dynamics in Nature and Society1026-02261607-887X2015-01-01201510.1155/2015/481360481360Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering AnalysisSen Zhang0Yongquan Zhou1College of Information Science and Engineering, Guangxi University for Nationalities, Nanning 530006, ChinaCollege of Information Science and Engineering, Guangxi University for Nationalities, Nanning 530006, ChinaOne heuristic evolutionary algorithm recently proposed is the grey wolf optimizer (GWO), inspired by the leadership hierarchy and hunting mechanism of grey wolves in nature. This paper presents an extended GWO algorithm based on Powell local optimization method, and we call it PGWO. PGWO algorithm significantly improves the original GWO in solving complex optimization problems. Clustering is a popular data analysis and data mining technique. Hence, the PGWO could be applied in solving clustering problems. In this study, first the PGWO algorithm is tested on seven benchmark functions. Second, the PGWO algorithm is used for data clustering on nine data sets. Compared to other state-of-the-art evolutionary algorithms, the results of benchmark and data clustering demonstrate the superior performance of PGWO algorithm.http://dx.doi.org/10.1155/2015/481360 |
| spellingShingle | Sen Zhang Yongquan Zhou Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering Analysis Discrete Dynamics in Nature and Society |
| title | Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering Analysis |
| title_full | Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering Analysis |
| title_fullStr | Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering Analysis |
| title_full_unstemmed | Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering Analysis |
| title_short | Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering Analysis |
| title_sort | grey wolf optimizer based on powell local optimization method for clustering analysis |
| url | http://dx.doi.org/10.1155/2015/481360 |
| work_keys_str_mv | AT senzhang greywolfoptimizerbasedonpowelllocaloptimizationmethodforclusteringanalysis AT yongquanzhou greywolfoptimizerbasedonpowelllocaloptimizationmethodforclusteringanalysis |