Some Useful LaTeX Links

The Not So Short Introduction to LaTeX Great place to start if you're new to LaTeX. Includes appendix on how to install LaTeX for Linux, Mac, or Windows.

Short Math Guide for LaTeX

The Comprehensive LaTeX Symbol List

Some Useful R Links

Official R Introduction This is a nicely done introduction on how to use R. You can flip through the table of contents to find how to do most anything in the basic functionality of R.

R Resources Collection This is a collection of help topics with useful code examples.

R Tutorial One of my favorite tutorials and highly recommended! Navigate the contents on the right side of the page under "R Tutorials".