
	Kruskal-Wallis rank sum test

data:  ARRAY and categs
Kruskal-Wallis chi-squared = 76.904, df = 3, p-value < 2.2e-16

Multiple comparison test after Kruskal-Wallis 
p.value: 0.05 
Comparisons
                                                 obs.dif critical.dif
joda-time-2.8-RandomMutantSampling           51.83333333     23.69541
joda-time-2.8-RandomOperatorSelection        51.80000000     23.69541
joda-time-2.8-SelectiveMutation              76.36666667     23.69541
RandomMutantSampling-RandomOperatorSelection  0.03333333     23.69541
RandomMutantSampling-SelectiveMutation       24.53333333     23.69541
RandomOperatorSelection-SelectiveMutation    24.56666667     23.69541
                                             difference
joda-time-2.8-RandomMutantSampling                 TRUE
joda-time-2.8-RandomOperatorSelection              TRUE
joda-time-2.8-SelectiveMutation                    TRUE
RandomMutantSampling-RandomOperatorSelection      FALSE
RandomMutantSampling-SelectiveMutation             TRUE
RandomOperatorSelection-SelectiveMutation          TRUE
