Fig 1.
The flowchart of the IG-GPSO.
Fig 2.
The feature ranking grouping process of the IG-GPSO.
(A)Accuracy of the feature ranking grouping process. (B)The number of feature subsets of the feature ranking grouping process.
Fig 3.
The feature selection process of the IG-GPSO.
(A)Accuracy of the feature selection process. (B)The number of feature subsets of the feature selection process.
Table 1.
ACC index of SVM on the selected feature subset.
Table 2.
FS index of SVM on the selected feature subset.
Table 3.
ACC index of KNN on the selected feature subset.
Table 4.
FS index of KNN on the selected feature subset.