Evolutionary Hyperheuristics for Location-Routing Problem with Simultaneous Pickup and Delivery

Table 7

Friedman’s test results for CLRP benchmark instances (α = 0.05).

Benchmark	Mean ranks for four pairs				Test statistics				Conclusion
	TS-SA	QS2-SA	AS-AM	PS-AM	n	χ^2	df
Barreto set	2.58	2.42	2.37	2.63	19	3.923	3	0.270	χ^2 < critical value, accept H0
Prins set	2.18	2.58	2.60	2.63	30	6.750	3	0.080
Tuzun and Burke	2.19	2.61	2.65	2.54	36	6.201	3	0.102