Table 1 Comparative analysis of previous work in relation to the class balancing ratio

Fatima and Mahgoub [14]

Class

Instances

Imbalance ratio

Xie et al. [16] (Dataset-1)

Class

A

B

C

D

E

Instances

2

22

38

8

2

Imbalanced ratio

1

11

19

4

1

Xie et al. [16] (Dataset-2)

Class

A

B

C

D

E

Instances

1

41

46

14

4

Imbalanced ratio

1

41

46

14

4

Ashraf et al. [17]

Class

Excellent

Very good

Good

Average

Bad

Instances

539

4336

4543

347

564

Imbalanced ratio

1.55

12.5

13.10

1

1.60