Table 10 Results comparison of the mean number of features selected (MeanFeat) based on the K-NN classifier for DESFO with other MH methods.

From: An improved Differential evolution with Sailfish optimizer (DESFO) for handling feature selection problem

Benchmarks

DESFO

DE

SFO

ABC

PSO

BA

GWO

WOA

GOA

HHO

BSA

HGSO

PenglungEW

108.2

149.2

149.9

150.6

153.7

159.5

148.2

151

152.4

131.8

147.6

167.2

IonosphereEW

9.700

12.70

10.40

12.50

12.90

14.20

12.20

12.6

13.50

10.9

12.00

17.70

SonarEW

23.60

28.10

24.40

27.40

30.20

24.60

26.40

26.1

27.30

22.2

24.60

32.40

WaveformEW

23.20

25.00

24.50

24.20

22.50

25.70

23.80

21.3

23.00

23.7

23.90

23.90

KrVsKpEW

20.10

22.20

24.20

22.40

22.40

20.20

22.10

21.2

22.10

20.3

22.30

25.10

BreastEW

6.300

11.70

8.000

9.900

12.10

12.50

10.00

10.4

9.800

8.50

10.30

14.70

Lymphography

8.500

8.300

7.100

7.600

8.900

8.300

7.800

7.90

8.000

7.30

8.200

10.50

Vote

4.100

5.900

3.500

4.900

5.600

5.200

5.100

4.20

5.500

5.20

4.900

6.500

Zoo

5.200

5.900

5.100

5.500

6.300

7.800

5.900

6.50

6.000

6.30

6.000

9.000

Exactly2

6.300

5.800

6.100

7.500

5.700

5.400

6.700

7.20

6.700

6.40

7.200

7.900

M-of-n

6.100

7.900

6.500

6.500

8.200

8.100

6.500

6.70

6.900

6.60

6.700

8.500

WineEW

4.000

4.500

4.000

4.400

5.500

5.900

4.200

4.60

4.800

4.50

4.300

7.400

BreastCancer

6.000

7.100

6.000

6.000

6.300

6.200

6.200

6.60

6.300

6.00

6.300

7.200

Tic-tac-toe

9.000

9.000

9.000

9.000

8.200

7.100

9.000

9.00

8.800

7.600

9.000

8.000

W

Score T

L

5

0

3

0

0

2

0

0

0

1

0

0

2

0

2

1

0

0

0

1

0

1

0

0

7

14

9

13

14

12

14

13

14

12

14

14

  1. Superior values are in [bold].