Data Visualization Toolkit

Using JavaScript, Rails, and Postgres to Present Data and Geospatial Information


Data Visualization Toolkit is your hands-on, practical, and holistic guide to the art of visualizing data. You’ll learn how to use Rails, jQuery, D3, Leaflet, PostgreSQL, and PostGIS together, creating beautiful visualizations and maps that give your data a voice and to make it "dance."

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Example apps available on GitHub:

Maryland Residential Sales
NOAA Weather
Flight Departures

Errata

The "+" operator is incorrectly referenced as being a D3 convenience function for converting strings to numbers. "+" is an operator and part of JavaScript, not a function provided by D3. (Eliot Sykes)