Grouped Bar Chart

100%

Grouped Bar Chart

✓ Published0🌍 Public

Last edited Mar 4, 2017

Created on Mar 4, 2017

A grouped bar chart displays population percentages across four age groups for five San Francisco districts, with each district’s bars colored by age category and a legend identifying them. The visualization loads data from a CSV file using d3.csv, then applies d3.scale.ordinal for x-position and color encoding, d3.scale.linear for the y-axis, and d3.svg.axis to render axes with SI-prefix formatting via d3.format. Bars are drawn as SVG rectangles, with heights computed from the parsed numeric values.

AI-generated description

This grouped bar chart is constructed from a CSV file storing the populations of different states by age group. The chart employs conventional margins and a number of D3 features:

d3.csv - load and parse data
d3.scale.ordinal - x-position encoding and color encoding
d3.scale.linear - y-position encoding
d3.format - SI prefix formatting (e.g., “10M” for 10,000,000)
d3.max - compute domains
d3.keys - compute column names
d3.svg.axis - display axes

forked from <a href='http://bl.ocks.org/mbostock/'>mbostock</a>'s block: <a href='http://bl.ocks.org/mbostock/3887051'>Grouped Bar Chart</a>

forked from <a href='http://bl.ocks.org/ninjaPixel/'>ninjaPixel</a>'s block: <a href='http://bl.ocks.org/ninjaPixel/befc60ebd35331859708'>Grouped Bar Chart</a>

mit Licensed

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