Fork of Let's make a Bar Graph with D3.js
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A bar chart displays population data for ten countries, sourced from a CSV file, with each bar’s height encoding the numeric population value. Hovering a bar triggers a smooth color transition from green to blue via D3’s transition system. The visualization is rendered as an SVG using d3.scaleBand for the x-axis categories and d3.scaleLinear for the y-axis, while the mouseover and mouseout event handlers update the fill attribute. The animation is powered by D3’s transition API, and the chart dimensions are defined by chart_width and chart_height.
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