Margin Convention

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Margin Convention

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Last edited Apr 13, 2021

Created on Apr 13, 2021

This example demonstrates the margin convention for D3 visualizations by rendering a horizontal bar chart of United Nations population data. The chart displays the top 10 countries by 2020 population, with bars scaled linearly along the x-axis and categorically arranged along the y-axis. Using React hooks to manage state, the code loads CSV data with `d3.csv` and creates scales with `scaleBand` and `scaleLinear`. The SVG output groups all rectangles inside a translated `<g>` element, applying the specified margins to position the chart within the 960×500 viewport.

AI-generated description

A program that loads population data with D3 utilities and uses React to render the data as a bar chart.

MIT Licensed

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