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The margin convention

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Rrvdv
Last edited Dec 22, 2021
Created on Dec 22, 2021

This example demonstrates the margin convention in D3, a common pattern for reserving space around a chart’s plotting area. It renders a horizontal bar chart of the top 20 countries by 2020 population from a CSV dataset. The code uses React hooks to fetch and parse the data, then applies `d3.scaleBand` and `d3.scaleLinear` to map countries and populations to SVG rectangles. A `<g>` element is translated by the margin offsets, ensuring axes and labels fit neatly within the overall SVG canvas.

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https://www.youtube.com/watch?v=2LhoCfjm8R4&t=10638s

MIT Licensed

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The Margin convention

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