The live data visualization appears below - be sure to explore its interactive features. To display the interactive visualization on your own site, users need to host this code on another live website, and in my case, I simply pushed it into a GitHub Pages repository, as I’ve taught my students to do in our DataViz book-in-progress. To embed that live site on this post, I embedded an iframe with the URL source into the text/code view. Next, I created a free Tableau Public web services account to save my work online, and it generated a results screen with a long HTML embed code. The chart-design mode below seemed similar to the Microsoft Excel pivot table feature, if you’ve ever used that one. ![]() The interface seemed relatively straightforward to me, but I’ve used dozens of data tools over the years. Therefore, I had to export a sample data file into Excel, and upload into Tableau Public, where the dashboard allowed me to construct an interactive chart with “static” data. One limitation of Tableau Public is the lack of a direct link to the CT Open Data/Socrata web platform, which means that I could not display “live” data. Tableau Public has limitations, and users are encouraged to upgrade to Tableau Desktop (free trial, but full retail price is $999, with education/non-profit discount Windows only). ![]() This application competes with Google Fusion Tables, a free cross-platform data visualization tool, which I’ve been teaching to my Trinity students. Check out the data that’s currently available on the Socrata platform at Īlso, I was curious to find out what types of interactive data visualizations could be easily created with Tableau Public (free download, but Windows only, requires free account for web services). ![]() Last week, the Connecticut Open Data portal opened with a handful of files to demonstrate the state’s initiative in sharing public data.
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