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What’s in a SIGACT

less than 1 minute read

I've been working with SIGACT data (military significant activities reports) all day as part of a research project. When you are dealing with thousands of th...

Plot of Duke grade inflation

2 minute read

Someone sent around a link this morning to data on grade inflation at Duke, which shows a table of average GPAs for undergraduates from 1932 on. Looking at t...

Scale and north arrow for maps in R

1 minute read

A few months ago I produced some thematic maps of Bosnia (paper) using maptools and other packages in R, but I didn’t include scales or a north arrow. It sou...