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Fork of Loading and Parsing CSV Data

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EEverton Rocha
Last edited Mar 5, 2021
Created on Mar 5, 2021

This example displays basic statistics about a CSV dataset containing CSS named colors, showing the file size in kilobytes, the number of rows, and the number of columns in large text. It loads the data from a GitHub gist using d3.csv, which returns a promise, then formats the computed metrics with d3.csvFormat and string concatenation. The code also includes commented-out alternatives using the Fetch API with async/await and d3.csvParse, as well as a nested promise “pyramid of doom” pattern for comparison. The visualization itself is minimal, relying solely on a styled pre element to render the text output.

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

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MIT Licensed

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