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- W3016641440 abstract "Most of the datasets contain redundancies and inconsistencies in terms of features or instances or both. Therefore, datasets always need pre-processing before applying data mining algorithms. Feature selection is an important pre-processing task that prefers non-redundant and informative features. In addition, feature selection is a multi-objective problem with conflicting criteria like accuracy and reduction rate. This paper proposes a multi-objective CHC algorithm (a genetic algorithm with cross-generational elitist selection, heterogeneous recombination, and cataclysmic mutation) for feature selection. The algorithm, named as MOCHC-FS, combines the idea of non-dominated sorting with CHC genetic algorithm to arrive at a set of non-dominated solutions. The proposed algorithm is validated on twenty datasets available on UCI dataset repository. The results affirm that MOCHC-FS algorithm finds a range of optimal solutions that simultaneously fulfil both objectives of relatively higher accuracies and more reduction rates. Finally, a single feature subset is extracted from the set of non-dominated solutions. Accuracy and reduction rate are recorded for various experimental datasets by using KNN classification algorithm on the selected features only." @default.
- W3016641440 created "2020-04-24" @default.
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- W3016641440 date "2020-01-01" @default.
- W3016641440 modified "2023-10-04" @default.
- W3016641440 title "Feature selection using multi-objective CHC genetic algorithm" @default.
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- W3016641440 doi "https://doi.org/10.1016/j.procs.2020.03.376" @default.
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