Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Nov 17, 2023

Created on Nov 17, 2023

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This example demonstrates how to load and parse CSV data from a remote source, displaying the file size, row count, and column count of the CSS Named Colors dataset. The code uses `d3.csv` to fetch and parse the data asynchronously, then computes metrics using `d3.csvFormat` and the resulting data array’s properties. An alternative approach with the Fetch API, `async/await`, and `d3.csvParse` is also included in commented-out form. The parsed information is rendered into a large `<pre>` element, highlighting the simplicity of D3’s data-loading utilities.

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A program that loads and parses some CSV data: CSS Named Colors.

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