Data Visualization: A Practical Introduction by Kieran Healy provides an excellent introduction into the field of data visualization and is full of examples with the popular ggplot2 package for R. It also includes all the R code and data necessary to recreate the visualizations yourself.
R: the Tuesday morning R sessions provide a place where you can learn data visualization skills or troubleshoot challenges you might face with the R programming lesson.
Geospatial data: are you interested in visualizing data in a geographic context? Check out the Libraries' geospatial data and GIS resources for upcoming opportunities and resources.
Data visualization software provides a means of transforming raw data to meaningful images.
Tableau is a full-feature program useful for creating dashboards and crisp visualizations. It provides a graphical user interface to interact with several powerful features. Computers with Tableau installed are available in the Main Library and the Weaver Science-Engineering Library.