D3.js 4.x Data Visualization - Third Edition

The obligatory bar chart example

No introductory chapter on D3 would be complete without a basic bar chart example. They are to D3 as Hello World is to everything else, and 90% of all data storytelling can be done in its simplest form with an intelligent bar or line chart. For a good example of this, look at the kinds of graphics the Financial Times or The Economist includes in their articles--they frequently summarize the entire piece with a simple line chart or histogram. Coming from a newsroom development background (Full disclosure: I work on the Interactive Graphics desk at the Financial Times), many of my examples will be related to some degree to current events or possible topics worth visualizing with data. The news development community ...