
	Kruskal-Wallis rank sum test

data:  ARRAY and categs
Kruskal-Wallis chi-squared = 74.398, df = 3, p-value = 4.877e-16

Multiple comparison test after Kruskal-Wallis 
p.value: 0.05 
Comparisons
                                               obs.dif critical.dif difference
commons-codec-1.4-RandomMutantSampling       68.833333     23.69541       TRUE
commons-codec-1.4-RandomOperatorSelection    65.166667     23.69541       TRUE
commons-codec-1.4-SelectiveMutation          46.000000     23.69541       TRUE
RandomMutantSampling-RandomOperatorSelection  3.666667     23.69541      FALSE
RandomMutantSampling-SelectiveMutation       22.833333     23.69541      FALSE
RandomOperatorSelection-SelectiveMutation    19.166667     23.69541      FALSE
