A Novel Self-Adaptive Mixed-Variable Multiobjective Ant Colony Optimization Algorithm in Mobile Edge Computing

Table 7

The performance for spring design problem.

Spring design	Generational distance			Inverted generational distance			Generalized spread			Sum of ranks	Overall rank
	Mean	Stdev	Rank	Mean	Stdev	Rank	Mean	Stdev	Rank
NSGAII	0.0119	0.0157	3	0.0225	0.0802	4	0.9629	0.1547	4	11	4
SPEA2	0.0043	0.0027	2	0.0173	0.0399	3	0.9742	0.1291	5	10	2
SMPSO	0.0161	0.0154	4	0.2132	0.1329	5	0.8366	0.1505	2	11	4
GDE3	0.0885	0.1489	5	0.0068	0.0053	2	0.8876	0.1654	3	10	2
SAMOACOMV	0.0014	0.0007	1	0.0064	0.0027	1	0.3532	0.0338	1	3	1