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 FlowingData See All →
What Makes People the Most Happy
It’s in the details of 100,000 moments. I analyzed the crowd-sourced corpus to see what brought the most smiles.
How Men and Women Spend Their Days
Using an oldie but goodie visualization format to look at time use between different groups.