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Bar Chart React & D3 (codeAlong)

✓ Published2🌍 Public
Ttomahawk-jupiter
Last edited Jun 5, 2021
Created on Jun 4, 2021

This example shows a horizontal bar chart of population estimates for the ten most populous countries in 2020, using data loaded from a CSV file via `d3.csv`. The visualization renders as an SVG using React components, with `d3.scaleBand` and `d3.scaleLinear` mapping country names and population values to pixel coordinates. React’s `useState` and `useEffect` manage the loaded data and prevent repeated fetching, while the chart includes axis tick lines and labels generated from `xScale.ticks()`.

AI-generated description

A program that loads in some data about css named colors using d3 utilities and uses React state to keep track of that data.

Using useEffect from React stops the data from loading repeatedly with every state change. Without this it will re-load constantly.

Use React to render the data onto the page as a radial burst.

MIT Licensed

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