Introduction to Hadley's packages

This online slide provides good introduction of various R packages developed by Hadley Wickham.

How to create and show a presentation from the command line on Linux

This is pretty cool.

Rstudio, Markdown, and presentation

I recently discovered that using Markdown and Rstudio together can greatly simplify the kind of presentation I do for teaching and professional conference, that is, put computer code and the output side by side. Here is a simple demonstration.