Table 17 Error percentage analysis of Out-of-Sample trials compared to best and worse Conditions.

From: Development of fuzzy-based ranking alternatives by hybrid RSM-fuzzy AHP-fuzzy CoCoSo framework sustainable ultrasonic-assisted turning of magnesium alloys

Rank

Trial Index

Cutting Speed (m/min)

Feed Rate (mm/rev)

Power (%)

Total Error vs. Best (%)

Total Error vs. Worse (%)

Closer to

1

4

42

0.05

0

109.47

23.93

Worse

2

2

42

0.05

0

110.44

29.91

Worse

3

5

42

0.05

0

112.38

27.17

Worse

4

3

26.5

0.15

100

112.64

24.52

Worse

5

6

26.5

0.15

100

123.46

31.17

Worse