D3 Example

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Last edited Mar 9, 2017

Created on Mar 9, 2017

This small multiples visualization displays donut charts for the five most populous countries, each showing the proportional breakdown of religious affiliations within that country. The charts are arranged horizontally, with a shared categorical color legend identifying each religion. Built with D3.js, the code uses `d3.layout.pie`, `d3.svg.arc`, and `d3.nest` to group data by country and compute slice geometries, while `d3.legend.color` generates the legend. Data comes from the Pew Research Center’s Global Religious Landscape dataset, provided as a CSV file. All donuts share the same radius, so area does not reflect population size.

AI-generated description

A small multiples visualization of donut charts showing the breakdown of religions for the largest 5 countries. This is example 31 from the screencast Splitting Charts.

Note that area is not proportional to population, because the donuts are all the same size, regardless of population. This visualization shows the proportions of different religions within each country only. This property makes this visualization misleading in a way. For example, Brazil gets just as many pixels as China while being only a fraction of the population. To remedy this, it would be better to size each donut chart based on the population of each country.

Data from Pew Research Center Global Religious Landscape data set
Uses d3-legend
Uses nested selections.

forked from <a href='http://bl.ocks.org/curran/'>curran</a>'s block: <a href='http://bl.ocks.org/curran/40d5e61963abf20da067'>Polar Area Small Multiples</a>

<div align="center"><a href="http://www.simplehitcounter.com" target="_blank"><img src="http://simplehitcounter.com/hit.php?uid=1980290&f=16777215&b=0" border="0" height="18" width="83" alt="web counter"></a></div>

forked from <a href='http://bl.ocks.org/curran/'>curran</a>'s block: <a href='http://bl.ocks.org/curran/11b02f8917fac66d6fe5'>Donut Chart Small Multiples</a>

mit Licensed

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