
	Kruskal-Wallis rank sum test

data:  ARRAY and categs
Kruskal-Wallis chi-squared = 101.72, df = 3, p-value < 2.2e-16

Multiple comparison test after Kruskal-Wallis 
p.value: 0.05 
Comparisons
                                              obs.dif critical.dif difference
jfreechart-1.0.0-RandomMutantSampling        31.96667     23.69541       TRUE
jfreechart-1.0.0-RandomOperatorSelection     84.60000     23.69541       TRUE
jfreechart-1.0.0-SelectiveMutation           63.43333     23.69541       TRUE
RandomMutantSampling-RandomOperatorSelection 52.63333     23.69541       TRUE
RandomMutantSampling-SelectiveMutation       31.46667     23.69541       TRUE
RandomOperatorSelection-SelectiveMutation    21.16667     23.69541      FALSE
