Bullet Charts

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✓ Published0🌍 Public

Last edited Jun 17, 2019

Created on Jun 17, 2019

This bullet chart example displays multiple small multiples, each comparing a measure (like “PFI” or “PFA”) against qualitative ranges and a marker, as recommended by Stephen Few. The visualization uses D3 v3 to render SVG rects and lines for ranges, measures, and markers. A button triggers a one-second transition that randomizes the data values, animating the x-scales and tick labels via `d3.scale.linear` and the `.transition().duration()` API. Data loads from a local JSON file (`bullets.json`), and the layout follows the classic bullet chart design with an explanatory title and subtitle per row.

AI-generated description

Designed by Stephen Few, a bullet chart “provides a rich display of data in a small space.” A variation on a bar chart, bullet charts compare a given quantitative measure (such as profit or revenue) against qualitative ranges (e.g., poor, satisfactory, good) and related markers (e.g., the same measure a year ago). Layout inspired by Stephen Few. Implementation based on work by Clint Ivy, Jamie Love of N-Squared Software and Jason Davies. The "update" button randomizes the values slightly to demonstrate transitions.

forked from <a href='http://bl.ocks.org/mbostock/'>mbostock</a>'s block: <a href='http://bl.ocks.org/mbostock/4061961'>Bullet Charts</a>

forked from <a href='http://bl.ocks.org/rakuehr/'>rakuehr</a>'s block: <a href='http://bl.ocks.org/rakuehr/88f0c5c5d8653f3076901fa3a7bad1ef'>Bullet Charts</a>

gpl-3.0 Licensed

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