Loading and Parsing CSV Data

100%

Loading and Parsing CSV Data

✓ Published0🌍 Public

Last edited Jun 6, 2022

Created on Jun 6, 2022

Forked from Loading and Parsing CSV Data

This example demonstrates how to load and parse a CSV dataset using D3.js v7, displaying file size, row count, and column count for the CSS Named Colors dataset. The page uses `d3.csv()` to asynchronously fetch the data from a GitHub Gist URL, then `d3.csvFormat()` calculates the formatted string length in kilobytes. The `d3.csv()` promise chain updates the HTML `<pre>` element with the computed statistics, showing parsed dataset dimensions without any visual chart. The code relies on D3’s data handling APIs rather than creating marks or encodings.

AI-generated description

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

Similar vizzes

Loading thumbnail…

Loading and parsing CSV Data

This example demonstrates how to load and parse CSV data using D3.js, displaying the file size, row count, and column count of a dataset containing CSS named colors. The code uses `d3.csv` to fetch the remote CSV file from a GitHub gist URL, then computes the formatted data size with `d3.csvFormat`, and reports the number of rows and columns from the parsed result. The output is rendered as large text inside a `<pre>` element. An alternative commented approach using `fetch` and `d3.csvParse` is also included, showing two distinct methods for CSV handling in D3 v6.

Ssmsk2980

95% match

Loading thumbnail…

Loading and Parsing CSV

This example shows how to load and parse a CSV file with D3 v7, displaying a summary of the dataset’s size, row count, and column count. It fetches a CSV of CSS named colors from a GitHub gist, then uses `d3.csv` to parse the text and `d3.csvFormat` to measure the data’s file size in kilobytes. The results are written to a `<pre>` element on the page using vanilla JavaScript and the `fetch` API for the initial request.

Bbingsen0806

95% match

Loading thumbnail…

Loading and Parsing CSV Data

This example demonstrates how to load and parse CSV data using D3 v7, displaying a summary of the dataset's size and structure. The code fetches a CSS Named Colors CSV file from a GitHub gist using `d3.csv`, then computes and presents the total kilobytes, row count, and column count in a large `<pre>` element. The visualization highlights the parsed result through simple text output, showcasing the asynchronous data-loading pattern with Promises and the `d3.csvFormat` API for measuring data size.

Aabreeson

95% match

Loading thumbnail…

Loading and Parsing CSV Data

This example demonstrates the loading and parsing of CSV data using D3.js, displaying the file size, row count, and column count of the parsed dataset on a web page. The code fetches a CSV file containing CSS named colors from a GitHub Gist URL using `d3.csv`, which returns a promise with the parsed data array. It then calculates the formatted string length with `d3.csvFormat`, accesses the `data.length` and `data.columns` properties, and injects the resulting message into a `<pre>` element via `document.getElementById`. The page includes commented-out alternatives using the Fetch API, `async/await`, and `d3.csvParse` for comparison.

FFulvio Vigilante

94% match

Loading thumbnail…

Loading and Parsing CSV Data

This example demonstrates how to load and parse CSV data using D3 v7, displaying the dataset’s file size, row count, and column count in a large text pre element. The code fetches a CSV file of CSS named colors from a GitHub gist via `d3.csv`, then formats the parsed data with `d3.csvFormat` to calculate its kilobyte size. It also reports `data.length` for rows and `data.columns.length` for columns, providing a concise summary of the loaded dataset’s structure.

PPaul B

94% match

Loading thumbnail…

Loading and Parsing CSV Data

This example demonstrates how to load and parse CSV data using D3 v7, displaying the dataset's size in kilobytes, row count, and column count. It fetches a CSV file of CSS named colors from a GitHub gist via `d3.csv`, then formats the data with `d3.csvFormat` to calculate its size. The results are rendered as text in a large `<pre>` element, with commented-out alternative code showing `fetch` combined with `d3.csvParse`.

EErik

94% match

Loading thumbnail…

Loading and parsing csv data

This example demonstrates the basic process of loading and parsing CSV data using D3 v7, displaying the file size, column count, and row count as large text on the page. It fetches a CSV file containing CSS named colors from a GitHub gist and parses it with `d3.csv`, then formats the data back into a string using `d3.csvFormat` to calculate the size in kilobytes. The results are rendered into a predefined `<pre>` element via the DOM API. The code includes commented-out alternatives using `fetch` and `d3.csvParse`, highlighting different approaches to handling CSV data.

Zzhangwbhi

94% match

Loading thumbnail…

Loading and parsing CSV data

This example demonstrates how to load and parse a CSV file using D3’s `d3.csv` method, then displays basic dataset statistics in a large-format `<pre>` element. It shows the file size in kilobytes, the total row count, and the number of columns from the parsed data. The visualization uses the D3 v7 library, fetching data from a GitHub Gist URL containing named CSS colors. The code formats the raw data with `d3.csvFormat` to compute its size and accesses the parsed array’s `length` and `columns` properties to populate the text output.

HHgeginat

94% match