Multi-objective optimized connectivity restoring of disjoint segments using mobile data collectors in wireless sensor network

EURASIP Journal on Wireless Communications and Networking

Table 2 Comparing convergence and diversity between NSGA-II and NSGA-II-d

Metric	Algorithm		SCH	ZDT1	ZDT2	ZDT3	ZDT6
γ	NSGA-II	Mean	0.001605	0.024019	0.031318	0.012930	0.047025
		Variance	0.000000	0.000026	0.000026	0.000007	0.000925
	NSGA-II-d	Mean	0.001632	0.024487	0.035320	0.014186	0.042749
		Variance	0.000000	0.000014	0.000090	0.000009	0.000684
Δ	NSGA-II	Mean	0.436119	0.432705	0.441009	0.619211	1.041551
		Variance	0.001019	0.000531	0.001030	0.001415	0.065354
	NSGA-II-d	Mean	0.391144	0.371493	0.422076	0.578343	1.035209
		Variance	0.000770	0.000654	0.019446	0.000721	0.043620