Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Jan 11, 2022

Created on Nov 21, 2021

This example demonstrates how to load and parse CSV data from a remote URL using D3’s `d3.csv` method. It displays a summary of the dataset in a large monospace font, showing the approximate file size in kilobytes, the number of rows, and the number of columns. The data source is a CSV file of CSS named colors hosted on GitHub Gist. The code uses `d3.csvFormat` to calculate the data size and accesses the parsed array’s `length` and `columns` properties.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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