A Bar Chart

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✓ Published0🌍 Public

Last edited Feb 26, 2019

Created on Nov 23, 2011

A bar chart displays U.S. state populations from a CSV file, sorted descending by value, with white value labels at the end of each steel-blue bar and axis ticks along the top and left. It uses D3 v3 to load and parse the data, then builds scales with `d3.scale.linear` and `d3.scale.ordinal`, rendering SVG elements via `append` and styling with CSS classes. The `d3.svg.axis` component draws the ordinal left axis and linear top axis, while `d3.format` formats the numeric labels.

AI-generated description

This simple bar chart demonstrates two new features of D3 2.6:

Namespaces are now optional! You can now append an SVG element by just saying append("svg"), without specifying the namespace explicitly as "svg:svg". Adding an element whose name is a known prefix (in d3.ns.prefix) implies a namespace; similarly, appending or inserting an element will inherit the namespace from its parent.
The axis component now supports ordinal scales. The labels on the left side of the bar chart are rendered with the axis component.

gpl-3.0 Licensed

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