Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Oct 24, 2021

Created on Oct 20, 2021

This example demonstrates how to load and parse a CSV file from a remote URL using D3.js. It fetches a dataset of CSS named colors stored as a GitHub gist and displays basic summary statistics about the file, including the total number of rows, column count, and approximate file size in kilobytes. The code uses the `d3.csv()` function to retrieve and parse the data asynchronously, then accesses the resulting array’s `length` and `columns` properties. The parsed output is converted back to CSV with `d3.csvFormat()` to calculate its size. A simple HTML `<pre>` element displays the final message, with styling applied via CSS.

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

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