A Convergent Differential Evolution Algorithm with Hidden Adaptation Selection for Engineering Optimization

Table 3

Sign Test of experimental results in Table 2.

	Neg. dif.	Pos. dif.	Tie	Total	𝑃 value
On Best Value	3	18	9	30	0.001
On Mean Value	6	20	4	30	0.011

“Neg. dif.” and “Pos. dif.” denote the number of the negative and positive differences, respectively. “𝑃 value” denotes the probability value supporting the null hypothesis.