Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Nov 29, 2021

Created on Nov 28, 2021

This example demonstrates how to load, parse, and summarize a CSV file using D3.js (v5). It fetches a remote CSV file containing CSS named colors from a GitHub gist via the `d3.csv` method, then displays the formatted data’s size in kilobytes, the number of rows, and the number of columns in a large `<pre>` element. The code also separately fetches the raw text using the `fetch` API and calls `d3.csvParse` to parse it, though that parsed result is not displayed. The visualization serves purely as a text-based output of dataset statistics, highlighting D3’s CSV parsing and formatting utilities.

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