NICAR 2013 Data Visualization on a Shoestring: Resources
OpenRefine (transitioning from Google Refine): Helps clean data
IBM's Many Eyes: Dataviz pioneer that makes it easy to upload data and create various types of visualizations.
Tableau Public: Free Windows-only software for create robust online visualizations. Data must be uploaded to their site and made available for download.
Tips for formatting Excel data for use in Tableau, plus a link to an Excel plug-in
Links to Tableau Public training materials from IRE 2012 training sessions
Basic line: http://www.highcharts.com/demo/line-basic
Zoomable time: http://www.highcharts.com/demo/line-time-series
Data Driven Documents (D3)
Michael Bostock's D3 tutorials page
Scott Murray's online D3 tutorial, basis for his more in-depth Interactive Data Visualization for the Web book
Example: N.Y. Times interactive on President Obama's 2013 budget
Protovis Update: Audience member noted that Protovis is no longer being updated; people are advised to use D3 instead.
Exhibit (MIT SIMILE spinoff)
Cascading Tree Sheets -- a CSS-like library for HTML structured data.
Tabletop open-source project by Balance Media and WNYC for pulling in Google Spreadsheet data
Example: WNYC Mayoral Tracker
Dataset, offering a robust way to pull in and transform data from multiple sources, including Google Spreadsheets. Well documented with multiple examples.
Bonus link: How to create an auto-updating Google Spreadsheet
Google Fusion Tables
Example: Connecticut superintendent salary by Digital First Media's Thunderdome team, plus a writeup on how they did it
Rebecca Shapley's Get More Out of Fusion Tables resource sheet
My How to Make a Map in Google Fusion Tables and Chrys Wu's How to make a heat map in Fusion Tables (note that the Fusion Tables UI changed since these were published, but the basic ideas are the same)
R Project for Statistical Computing
Hadley Wickham's NICAR '13 slides and code
R for Statistics: First Steps by Peter Aldhous
Hands-on R, a step-by-step tutorial by Jacob Fenton
Visualize This: The FlowingData Guide to Design, Visualization, and Statistics by Nathan Yau (more info, not the actual book)
Chart Chooser in R (with downloadable code)
"Twotorial" two-minute videos on "how to do stuff in R."