Journal
KNOWLEDGE-BASED SYSTEMS
Volume 23, Issue 6, Pages 580-585Publisher
ELSEVIER
DOI: 10.1016/j.knosys.2010.03.016
Keywords
Correlation based memetic search; Symmetrical Uncertainty ranking; Hybrid feature selection
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A novel correlation based memetic framework (MA-C) which is a combination of genetic algorithm (GA) and local search (LS) using correlation based filter ranking is proposed in this paper. The local filter method used here fine-tunes the population of GA solutions by adding or deleting features based on Symmetrical Uncertainty (SU) measure The focus here is on filter methods that are able to assess the goodness or ranking of the individual features Empirical study of MA-C on several commonly used datasets from the large-scale Gene expression datasets indicates that it outperforms recent existing methods in the literature in terms of classification accuracy, selected feature size and efficiency Further, we also investigate the balance between local and genetic search to maximize the search quality and efficiency of MA-C (C) 2010 Elsevier B V All rights reserved
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