Table 7 Results comparison of the mean number of features selected (MeanFeat) based on the RF 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

155.6

160.7

153.3

183.7

156.3

161.1

159.9

155

158.8

160.2

160.2

184.7

IonosphereEW

14.60

13.90

14.00

15.8

14.6

16.00

13.90

12.9

15.50

13.10

14.30

18.70

SonarEW

27.60

30.20

28.70

34.7

27.6

31.50

28.30

29.9

28.20

29.30

30.10

34.90

WaveformEW

20.90

19.30

20.10

21.1

20.0

20.20

19.80

21.7

21.70

19.10

17.50

24.20

KrVsKpEW

17.10

18.00

18.00

18.3

18.2

19.90

16.40

17.2

17.10

15.90

18.20

20.60

BreastEW

12.20

12.90

13.80

14.7

13.5

14.20

12.90

13.0

13.40

13.60

14.60

15.70

Lymphography

9.100

9.500

8.600

10.6

9.40

8.800

9.500

9.00

8.100

8.900

9.000

9.900

Vote

3.200

5.100

2.800

3.60

5.90

4.600

4.300

4.20

4.100

3.600

4.300

6.400

Zoo

4.500

5.300

4.600

5.10

5.60

6.400

5.300

5.70

5.400

5.500

5.600

7.500

Exactly2

5.000

5.100

5.000

5.00

5.40

5.200

5.000

5.40

5.200

4.800

5.000

3.600

M-of-n

6.300

7.300

6.300

6.50

8.30

7.500

6.600

6.80

7.100

6.800

7.200

8.700

WineEW

3.000

3.500

3.000

3.50

3.70

4.500

3.400

3.30

3.600

3.800

3.400

5.700

BreastCancer

5.100

5.300

5.000

5.00

5.70

5.500

5.600

5.50

5.500

6.000

5.300

5.900

Tic-tac-toe

7.000

6.800

7.000

7.00

6.60

6.400

7.000

6.60

6.800

6.500

7.000

6.200

W

Score T

L

2

0

2

0

0

0

0

0

0

0

0

2

3

0

3

1

1

0

0

1

1

1

1

0

9

14

9

13

13

14

14

13

13

13

13

12

  1. Superior values are in [bold].