# Ordre alphabétique par défaut
boxplot(logMaxAbund ~ Diet, data=bird)

# Réorganiser l'ordre des facteurs
med <- sort(tapply(bird$logMaxAbund, bird$Diet, median))
boxplot(logMaxAbund ~ factor(Diet, levels=names(med)), data=bird, col=c("white","lightblue1",
           "skyblue1","skyblue3","skyblue4"))

plot.design(logMaxAbund ~ Diet, data=bird, ylab = expression("log"[10]*"(Maximum Abundance)"))