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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2017
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Article
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Tab 5
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Research Article
An Improved Grey Wolf Optimization Strategy Enhanced SVM and Its Application in Predicting the Second Major
Table 5
Average frequencies of the selected features by the four methods.
Feature
Average selected frequencies
GA-SVM
PSO-SVM
GWO-SVM
IGWO-SVM
F
1
8
8
9
9
F
2
4
3
3
2
F
3
8
9
9
10
F
4
3
2
2
1
F
5
2
2
1
1
F
6
5
5
4
3
F
7
8
8
8
9
F
8
7
8
8
8
F
9
3
3
2
2
F
10
6
7
7
8
F
11
6
6
7
7
