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The margin convention

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CChira Cezara Victoria
Last edited Oct 2, 2021
Created on Oct 2, 2021
Forked from Pathetic Bar Chart

This example demonstrates the margin convention in D3 by rendering a horizontal bar chart of the top 10 countries by 2020 UN population estimates, loaded via `d3.csv`. The visualization shows bars scaled by population using `scaleLinear` for the x-axis and `scaleBand` for categorical country labels on the y-axis. The chart is built with React, using hooks like `useState` and `useEffect` to fetch and store data, and rendered as SVG with a `<g>` element translated by the margin object (top, right, bottom, left) to position the plotting area correctly within the 960×500 canvas.

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