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Last edited Apr 29, 2024

Created on Apr 29, 2024

This example displays a pie chart of population data for ten countries. The chart uses a D3 pie layout to generate arcs, with a legend and percentage labels for each slice. The code imports `d3` functions like `pie`, `arc`, and `format`, and renders via SVG. The data is loaded from a remote CSV file using `d3.csv`, and the visualization is built with React, with the axes drawn separately using custom components.

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A demonstration of how to start using D3 version 6.

MIT Licensed

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question 1

This example shows a pie chart of population data for ten countries, drawn as SVG arcs with percentage labels and a legend. The visualization is built using React and D3 version 5, leveraging the `pie` and `arc` functions to compute arc segments and `schemeCategory10` for color encoding. Data is loaded from a remote CSV file using `d3.csv`, with population values scaled by ten, and labels are formatted as percentages. The chart includes axis labels, although the implementation mixes pie and bar chart styling, creating a hybrid visual.

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This example shows a pie chart of population data for the top ten countries, displaying each slice with a percentage label and a legend identifying the country. The chart is built with React and D3 version 5, using the `pie` and `arc` generators to compute the layout and path data, while `d3.schemeCategory10` assigns colors. It loads a CSV from a GitHub repository via `d3.csv`, transforms the population values, and renders the SVG dynamically through a React effect. The example also includes an inner radius and axis labels for styling and context.

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