
	Kruskal-Wallis rank sum test

data:  ARRAY and categs
Kruskal-Wallis chi-squared = 97.987, df = 3, p-value < 2.2e-16

Multiple comparison test after Kruskal-Wallis 
p.value: 0.05 
Comparisons
                                                obs.dif critical.dif difference
commons-collections-3.0-RandomMutantSampling       32.4     23.69541       TRUE
commons-collections-3.0-RandomOperatorSelection    81.2     23.69541       TRUE
commons-collections-3.0-SelectiveMutation          66.4     23.69541       TRUE
RandomMutantSampling-RandomOperatorSelection       48.8     23.69541       TRUE
RandomMutantSampling-SelectiveMutation             34.0     23.69541       TRUE
RandomOperatorSelection-SelectiveMutation          14.8     23.69541      FALSE
