
	Kruskal-Wallis rank sum test

data:  ARRAY and categs
Kruskal-Wallis chi-squared = 68.44, df = 3, p-value = 9.21e-15

Multiple comparison test after Kruskal-Wallis 
p.value: 0.05 
Comparisons
                                               obs.dif critical.dif difference
commons-codec-1.4-RandomMutantSampling       65.700000     23.69541       TRUE
commons-codec-1.4-RandomOperatorSelection    59.566667     23.69541       TRUE
commons-codec-1.4-SelectiveMutation          54.733333     23.69541       TRUE
RandomMutantSampling-RandomOperatorSelection  6.133333     23.69541      FALSE
RandomMutantSampling-SelectiveMutation       10.966667     23.69541      FALSE
RandomOperatorSelection-SelectiveMutation     4.833333     23.69541      FALSE
