Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Mar 25, 2021

Created on Mar 25, 2021

This example shows a minimal text summary of a CSS named colors dataset, reporting its size in kilobytes, row count, and column count. It demonstrates CSV loading and parsing with D3’s `d3.csv` method, which fetches the remote gist file and returns a parsed data array. The code also computes the formatted CSV string via `d3.csvFormat` to calculate the file size, and uses `data.columns` to display the number of columns. A commented alternative using `fetch`, `await`, and `d3.csvParse` is also present.

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Parsing CSV Data with D3

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