UCLA Statistics has a pretty extensive list of resources on how to use R and GRASS. For those unfamiliar, R is a programming language and environment for statistical computing and graphics. GRASS is an open source geographic information system (GIS). And of course, both are completely free and completely useful.
Useful Stat Resources for R and GRASS
Projects by Nathan Yau See All →
Looking For the Closest Casino
Casinos are everywhere. This interactive map tells you how close the nearest one is in sampled areas of the United States.
A Day in the Life: Work and Home
I simulated a day for employed Americans to see when and where they work.
Mapping the Spread of Obesity
A look at the rise for each state over three decades, for men and women.