Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Jul 21, 2020

Created on Jul 21, 2020

This example demonstrates how to load and parse a CSV file from a remote URL using D3’s `d3.csv` method, displaying basic metadata about the dataset. The visualization outputs three statistics—the file size in kilobytes, the number of rows, and the number of columns—into a large HTML `<pre>` element. The data comes from a GitHub Gist containing CSS named colors. The code also includes commented-out alternatives using the `fetch` API, `async`/`await`, and `d3.csvParse` to show multiple parsing approaches within the D3 v5 and React framework context.

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A bare minimum HTML page.

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