Making a bar chart

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Making a bar chart

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Last edited May 25, 2020

Created on May 25, 2020

This example demonstrates how to build a simple bar chart from a CSV dataset of country populations, initially rendering all rectangles with fixed dimensions. The code uses D3 v5’s `scaleLinear` to later map population values to bar widths, while the `csv` method parses the data file and converts population strings to numbers. SVG elements are created via a data join with `selectAll('rect').data().enter()`, though the current implementation only appends static rectangles without encoding data values.

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Making a bar chart

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