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Fork of Activity 6 tutorial 1

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Nnissisharon61@gmail.com
Last edited Apr 1, 2025
Created on Apr 1, 2025
Forked from Activity 7

This example shows a horizontal bar chart of the 30 most populous countries in 2020, with population values from a CSV file loaded via `d3.csv`. The chart is built with React and rendered as SVG, using `d3.scaleBand` for the y-axis and `d3.scaleLinear` for the x-axis. Axis ticks and bar marks are generated manually through components that map over scales, with tooltips provided via SVG `<title>` elements and tick labels formatted with `d3.format`.

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This example presents a horizontal bar chart showing 2020 population data for 30 countries, with bars encoded by population magnitude and country names along the y-axis. Built with React and D3 v5, it uses `scaleBand` for the categorical axis, `scaleLinear` for the numeric axis, and renders SVG rectangles with tooltips via the `<title>` element. Data is loaded from a CSV using `d3.csv`, with population values transformed by multiplying the raw figures by 1,000. Axis labels and ticks are styled with CSS, and the chart includes formatted tick labels using `d3.format`.

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