Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Feb 17, 2023

Created on Feb 17, 2023

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This example demonstrates the fundamental process of loading and parsing CSV data using D3.js v5. It displays a summary of the CSS Named Colors dataset, showing the file size, row count, and column count in large text. The code uses `d3.csv()` to fetch and parse the remote CSV URL, then `d3.csvFormat()` to calculate the data size. It also includes commented-out alternatives using `fetch()`, `async`/`await`, and `d3.csvParse()` for comparison. The visualization communicates the structure and scale of the dataset through a simple textual output.

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

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