Add points with jitter on R base plot
bb <- boxplot(all.data$MoC ~ all.data$group, las=2, outline=FALSE, ylim=c(0,1)) # !!! do not forget outline=FALSE, otherwise outliers plot twice !!!
points(jitter(all.data$rank,factor=0.5),all.data$MoC,pch=20)
Add points with jitter on R base plot
bb <- boxplot(all.data$MoC ~ all.data$group, las=2, outline=FALSE, ylim=c(0,1)) # !!! do not forget outline=FALSE, otherwise outliers plot twice !!!
points(jitter(all.data$rank,factor=0.5),all.data$MoC,pch=20)
R plot function