Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Jun 3, 2021

Created on Jun 3, 2021

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This example demonstrates how to load and parse CSV data using D3 v5, displaying summary statistics about the dataset. A large text area shows the file size in kilobytes, the number of rows, and the number of columns from a CSV file containing CSS named colors. The code uses the `d3.csv` function with a Promise-based `.then()` method, and also includes commented-out alternatives using the Fetch API with `async` and `await`, as well as the `d3.csvParse` function for manual text parsing.

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

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