Loading data with react and d3

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Loading data with react and d3

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Last edited Jan 21, 2025

Created on Jan 21, 2025

This example demonstrates how a React application loads and processes external CSV data using D3, displaying a simple text header while preparing a dataset for visualization. The code fetches a color-names CSV file from a GitHub gist via `d3.csv`, then uses `d3.csvFormat` to calculate the data size in kilobytes, row count, and column count. React manages the component state with `useState`, while the data-loading side effect runs inside the component body. The visualization itself is minimal, rendering only a placeholder heading, but the structure shows the integration of React’s declarative rendering with D3’s data-handling utilities.

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A program data loads data using React and D3

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