7. Loading and Filtering External Data
In this chapter, we’ll cover how to load data from external data files. A lot of the data you’ll find on the web comes in one of a number of standard formats, and it’s often way more convenient to use those files directly than it is to hard code the data into your script. By the end of this chapter, you will have made an age distribution bar chart where you can change the year on display simply by changing the value of a single variable in your code.
Building a Graphic that Uses All of the Population Distribution Data
Let’s start this chapter with a goal.
Throughout this entire book, we’ve been working toward an interactive bar chart in D3 that displays the age distribution of the world’s population, starting ...
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