[Retracted] An Improved SPEA2 Algorithm with Adaptive Selection of Evolutionary Operators Scheme for Multiobjective Optimization Problems

Table 4

Mean values and standard deviations of performance indicators on DTLZ test instances.

Problem	Algorithm	GD	SP	HV	MS	IGD
DTLZ1	SPEA2
		NSGA-II
	PESA-II
		MODEA
	AOSPEA
		DTLZ2	SPEA2
	NSGA-II
			PESA-II
	MODEA
			AOSPEA
DTLZ3	SPEA2
			NSGA-II
	PESA-II
			MODEA
	AOSPEA
		DTLZ4	SPEA2
	NSGA-II
			PESA-II
	MODEA
			AOSPEA