Data and code for "This Post Is Brought To You By The National Science Foundation." http://thelittledataset.com/2015/12/31/this-post-is-brought-to-you-by-the-national-science-foundation/
Data is from Table 7-4 “Doctoral degrees awarded, by citizenship, field, and race or ethnicity: 2002–12” from the NSF Report on Women, Minorities, and Persons with Disabilities in Science and Engineering http://www.nsf.gov/statistics/wmpd/2013/tables.cfm
To create visuals! ggplot action!
Simply clone the repo and run the R script "demographic_snapshots.R"!
Comments in the code mark Parts I, II, and III. Part I creates the treemap, Part II creates the stacked area charts for the raw numbers, and Part III creates the stacked area charts, nightingale plots, and line charts for the percentages.