
	Kruskal-Wallis rank sum test

data:  ARRAY and categs
Kruskal-Wallis chi-squared = 87.626, df = 3, p-value < 2.2e-16

Multiple comparison test after Kruskal-Wallis 
p.value: 0.05 
Comparisons
                                              obs.dif critical.dif difference
commons-lang-3.0-RandomMutantSampling        43.20000     23.69541       TRUE
commons-lang-3.0-RandomOperatorSelection     82.73333     23.69541       TRUE
commons-lang-3.0-SelectiveMutation           54.06667     23.69541       TRUE
RandomMutantSampling-RandomOperatorSelection 39.53333     23.69541       TRUE
RandomMutantSampling-SelectiveMutation       10.86667     23.69541      FALSE
RandomOperatorSelection-SelectiveMutation    28.66667     23.69541       TRUE
