Reference

All functions
error_plot()	Error plot for euler objects
euler()	Area-proportional Euler diagrams
eulerr_options()	Get or set global graphical parameters for eulerr
fruits	Fruits
organisms	Organisms
pain	Pain distribution data
plants	Plants
plot(<euler>) plot(<venn>)	Plot Euler and Venn diagrams
plot(<eulergram>) print(<eulergram>)	Print (plot) Euler diagram
print(<euler>)	Print a summary of an Euler diagram
print(<venn>)	Print a summary of a Venn diagram
venn()	Venn diagrams