This example use the default boxplot() function and the irisdata frame.
> head(iris)
Sepal.Length Sepal.Width Petal.Length Petal.Width Species
1 5.1 3.5 1.4 0.2 setosa
2 4.9 3.0 1.4 0.2 setosa
3 4.7 3.2 ...
Box
boxlty - box line type
boxlwd - box line width
boxcol - box line color
boxfill - box fill colors
Median
medlty - median line type ("blank" for no line)
medlwd - median line widht
medcol - median line color
medpch - median point (NA for no symbol)
medcex - median point s...
