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Rendering Data with React & D3 - barchart Margin

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Kkeitheade
Last edited Nov 4, 2021
Created on Nov 4, 2021

This example shows a horizontal bar chart of UN population data for 10 countries in 2020, rendered as an SVG. The React component loads the CSV with `d3.csv`, then uses `scaleBand` for the country categories and `scaleLinear` for population values. Margins are applied by translating a `<g>` element with the `d3` coordinate system, and each bar is a `<rect>` whose width reflects the population. React state manages the data loading lifecycle with `useState` and `useEffect`.

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React Starter code.

MIT Licensed

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