The Margin Convention

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The Margin Convention

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Last edited Apr 6, 2022

Created on Apr 6, 2022

This example demonstrates the margin convention in D3 by rendering a horizontal bar chart of the top 10 countries by 2020 population from UN data. The chart uses SVG rectangles positioned with `scaleBand` and `scaleLinear` scales, nested inside a translated `<g>` group to offset the visualization from the SVG edges. React hooks like `useState` and `useEffect` manage asynchronous data loading via `d3.csv`, while the margin object explicitly defines padding for the plot area.

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A program that loads in some data about CSS named colors using D3 utilities, and uses React state to keep track of the data.

MIT Licensed

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The Margin Convention

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