Data Visualization is a large and rapidly developing field. This workshop introduces some of the history of data visualization, some principles of good data visualization, and demonstrates various techniques for visualizing data via their implementation in R.
Slides and code for the workshops are at https://github.com/ryandata/dataviz.
The full screencast version of the workshop is linked in the segments below, or go directly to the YouTube playlist from librarianwomack.
Flowing Data Tutorials - including lots of basic R tips
Keshif - a rather busy, but very comprehensive listing of various dataviz tools