Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Mar 10, 2021

Created on Mar 10, 2021

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This example demonstrates how to load and parse CSV data from a remote URL using D3.js v5. It displays the dataset’s size in kilobytes, the number of rows, and the number of columns in a large text element. The code uses `d3.csv` to fetch and parse the CSS Named Colors dataset, then calls `d3.csvFormat` to measure the data’s size. An alternative commented approach shows parsing with the Fetch API, `async`/`await`, and `d3.csvParse`. The page renders the summary statistics without any charts or visual encoding.

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

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