Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Dec 22, 2020

Created on Dec 22, 2020

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This example demonstrates how to load and parse CSV data, displaying a summary of the CSS Named Colors dataset that includes file size, row count, and column count. It uses `d3.csv` to asynchronously fetch the remote CSV file and parse it into a tabular structure, then formats the summary using `d3.csvFormat` and `Math.round`. The visualization appears as large text rendered in an HTML `<pre>` element. The code also includes commented alternatives using `fetch`, `async`, and `await` with `d3.csvParse`.

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

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