Nothing
Given 2,3 or 4dimensional data, plots a Venn diagram, i.e. 'crossing circles'. The user can specify values, labels for each circlegroup and unique colors for each plotted part. Here is what it would look like for a 3dimensional plot: http://elliotnoma.files.wordpress.com/2011/02/venndiagram.png. To see what the 4dimensional plot looks like, go to http://elliotnoma.files.wordpress.com/2013/03/4dplot.png.
Package details 


Author  Elliot Noma, Aliona Manvae 
Maintainer  Elliot Noma <noma@garrettassetmanagement.com> 
License  GPL2 
Version  2.4 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.