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Feature Selection Using Different Transfer Functions for Binary Bat Algorithm
International Journal of Mathematical, Engineering and Management Sciences  (IF),  Pub Date : 2020-08-01, DOI: 10.33889/ijmems.2020.5.4.056
Omar Saber Qasim, Zakariya Y. Algamal

The selection feature is an important and fundamental step in the preprocessing of many classification and machine learning problems. The feature selection (FS) method is used to reduce the amount of data used and to create highprobability of classification accuracy (CA) based on fewer features by deleting irrelevant data that often reason confusion for the classifiers. In this work, bat algorithm (BA), which is a new metaheuristic rule, is applied as a wrapper type of FS technique. Six different types of BA (BA-S and BA-V) are proposed, where apiece used a transfer function (TF) to map the solutions from continuous space to the discrete space. The results of the experiment show that the features that use the BA-V methods (that is, the V-shaped transfer function) have proven effective and efficient in selecting subsets of features with high classification accuracy. KeywordsFeature subset selection, Bat algorithm, Transfer function, Metaheuristic algorithms.