
	Kruskal-Wallis rank sum test

data:  ARRAY and categs
Kruskal-Wallis chi-squared = 81.557, 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           43.3     23.69541       TRUE
commons-lang-3.0-RandomOperatorSelection        77.6     23.69541       TRUE
commons-lang-3.0-SelectiveMutation              59.1     23.69541       TRUE
RandomMutantSampling-RandomOperatorSelection    34.3     23.69541       TRUE
RandomMutantSampling-SelectiveMutation          15.8     23.69541      FALSE
RandomOperatorSelection-SelectiveMutation       18.5     23.69541      FALSE
