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Making a Bar Chart

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Ppengyugatech
Last edited Jan 9, 2023
Created on Jan 9, 2023

A bar chart displays population estimates for ten countries, with each bar’s height proportional to values from a CSV file. The visualization loads data via `d3.csv`, converts population strings to numbers using unary plus, then renders SVG rectangles scaled to the chart’s height and width attributes. Styling is handled by a linked stylesheet, while the chart itself is built with D3 v7’s `select` and `csv` methods, drawing directly into the static SVG container.

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