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Making a Bar Chart

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Uuskh580e
Last edited Jan 23, 2023
Created on Jan 23, 2023

This example demonstrates how to build a bar chart from CSV data using D3.js. The chart displays country populations for ten nations, with China and India leading, and renders as SVG rectangles. The code uses D3’s `select` and `csv` methods to load `data.csv` and the `svg.attr` method to read the SVG’s dimensions. Though the current implementation logs the parsed data to the console, the core structure shows the initial steps of binding data to DOM elements in preparation for visual encoding.

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Demonstrates fundamental DOM manipulation using D3.js by making a smiley face whose eyebrows move.

MIT Licensed

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This is a bar chart that displays the populations of ten countries, including China, India, and the United States, with each bar’s height corresponding to the population value from a CSV file. The chart is rendered as an SVG element with a width of 960 pixels and a height of 500 pixels. The visualization is built using D3 v5, specifically utilizing the `d3.select` and `d3.csv` APIs to read and parse the data, while the rendering itself is handled directly through SVG attributes.

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