Bar chart assignment

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Bar chart assignment

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Last edited Oct 19, 2025

Created on Oct 19, 2025

This example shows a bar chart of average monthly sales across multiple years, with months from January through December on the x-axis and sales amounts on the y-axis. The visualization uses D3 v7 to load data from a CSV file via `d3.csv`, then binds the data to SVG rectangles using `data().enter().append("rect")`. It employs `d3.scaleBand` for the categorical x-axis and `d3.scaleLinear` for the numeric y-axis, with axes rendered by `d3.axisBottom` and `d3.axisLeft`. The bars are filled with a steelblue color, and the chart includes a titled heading.

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