protovis part 4: external data and animated labels
Now that you have mastered the basics of Protovis, it's time to learn how to load data from an external data file. Using external data has two obvious benefits. First, it simplifies the code, making it easier to work with. Second, the data can be updated without having to rework the code on a page.
This tutorial also demonstrates how to animate a bar chart and it's corresponding labels to allow readers deeper access to your data.
Filed under: Data Visualization