Plot output of TukeyHSD() function when there are 3 groups

plotTukeysHSD(tukey.out, x.axis.label = "Comparison",
  y.axis.label = "Effect Size", axis.adjust = 0)

Arguments

tukey.out

output of TukeyHSD()

x.axis.label

what should be plotted on the x axis

y.axis.label

what should be plotted on the y axis

axis.adjust

for tweaking plotting