I am a graduate student studying statistics that loves to use Linux and open source software.
I spend some time writing useless R packages on Github.
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Programmers
Q&A for professional programmers interested in conceptual questions about software development
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Physics
Q&A for active researchers, academics and students of physics
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Open Data
Q&A for developers and researchers interested in open data
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
Mathematics
Q&A for people studying math at any level and professionals in related fields