Added R script to generate plots of nonprofits
Added R script to generate plots of nonprofits

math4youbyusgroupillinois/givinggraph,math4youbyusgroupillinois/givinggraph,math4youbyusgroupillinois/givinggraph,erichilarysmithsr/givinggraph,dssg/givinggraph,erichilarysmithsr/givinggraph,dssg/givinggraph,erichilarysmithsr/givinggraph,dssg/givinggraph