Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Apr 11, 2022

Created on Feb 6, 2022

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This example demonstrates how to load and parse CSV data, displaying the dataset’s row count, column count, and file size in a large text block. It uses the `d3.csv` method to fetch a remote CSS named colors dataset and `d3.csvFormat` to calculate its size in kilobytes. The code also includes commented-out alternatives using the Fetch API with `async`/`await` and `d3.csvParse`. D3 v7 loads the data asynchronously via promises, with results rendered into a `<pre>` element.

AI-generated description

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

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