Making a Bar Chart

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Making a Bar Chart

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Last edited Apr 19, 2020

Created on Apr 19, 2020

This example demonstrates how to build a horizontal bar chart from scratch using D3 v5 in a React framework. The visualization displays population data for ten countries, with bars rendered as SVG rectangles scaled linearly by population and positioned using a band scale for country names. The code explicitly uses D3’s `scaleLinear`, `scaleBand`, `axisLeft`, and `axisBottom` functions, reading data from a CSV file. Axes are appended to a grouped SVG element, and bar heights are determined by the band scale’s bandwidth.

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