ASBPE 2013 Bootcamp: Data Visualization Resources
Chart of 30+ free data visualization and analysis tools: http://bit.ly/DataVizToolChart
Accompanying original Computerworld story: http://bit.ly/DataVizToolStory
One-stop data visualization sites: http://cwrld.us/1stopdataviz
Quartz's open-source Chartbuilder
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. Commercial desktop version available for free to some members of Investigative Reporters and Editors.
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
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
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)
Quandl, a site to search for data and also customize and embed their graphics.