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- W2023442959 abstract "The advances in data collection increase the dimensionality of the data (i.e. the total number of features) in many fields, which arises a challenge to many existing feature selection approaches. This paper develops a new feature selection approach based on particle swarm optimisation (PSO) and a local search that mimics the typical backward elimination feature selection method. The proposed algorithm uses a wrapper based fitness function, i.e. the classification error rate. The local search is performed only on the global best and uses a filter based measure, which aims to take the advantages of both filter and wrapper approaches. The proposed approach is tested and compared with three recent PSO based feature selection algorithms and two typical traditional feature selection methods. Experiments on eight benchmark datasets show that the proposed algorithm can be successfully used to select a significantly smaller number of features and simultaneously improve the classification performance over using all features. The proposed approach outperforms the three PSO based algorithms and the two traditional methods." @default.
- W2023442959 created "2016-06-24" @default.
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- W2023442959 date "2014-07-01" @default.
- W2023442959 modified "2023-10-16" @default.
- W2023442959 title "Filter based backward elimination in wrapper based PSO for feature selection in classification" @default.
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- W2023442959 doi "https://doi.org/10.1109/cec.2014.6900657" @default.
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