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Margin Barchart

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GGokulkrishnan1996
Last edited Jul 8, 2022
Created on Jul 8, 2022
Forked from Barchart

This example displays a horizontal barchart of the top 10 countries by projected 2020 population, using a margin convention to place the y-axis labels on the left. The chart is built with React and D3 v5, where `scaleBand` positions the categorical country names and `scaleLinear` maps population values to bar widths. Data is loaded asynchronously via `d3.csv` from a GitHub-hosted UN Population dataset, and each bar is rendered as an SVG `rect` inside a translated `<g>` group. The visualization shows how React manages state and renders D3 scales into SVG elements.

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