R Resources


R is an open source software program that is extremely useful for data analysis and data visualization.

An updated HTML version and PDF Version of my Introduction to R.


R is—of course—a complex program.  Here’s my attempt to boil down some information on R into a  “A Two Page Guide to R For Emerging Applied Researchers and Program Evaluators.”

A Quick Introduction to the ggplot2 Graphing Library (PDF) (HTML).


I have developed some code to use University of Michigan Colors on R graphs.

iris Michigan Colors

More R resources can be found on my blog.

For some sense of some of the kind of things one can do with R, you may wish to take a look at my Data Visualization or Statistical Visualizations pages.