Making a bar chart

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Making a bar chart

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Last edited May 15, 2020

Created on May 14, 2020

This example shows a bar chart of country populations, with each bar’s width mapped to population size using a d3.scaleLinear domain from zero to the maximum value. The chart renders as SVG rectangles appended to a 960×500 pixel container, though bar dimensions are fixed at 300×300 pixels regardless of data. The code loads data from a CSV file via d3.csv, parses the population column by multiplying it by 1000, and uses d3.select, d3.max, and d3.scaleLinear from D3 v5.

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