Loading Data with React and D3

Loading data with React and D3

This example demonstrates how to load and display a CSV dataset in a React application, showing a text summary of the data size, row count, and column count once the file is fetched. The code uses React’s `useState` and `useEffect` hooks to manage the asynchronous loading state, while D3’s `d3.csv` fetches the data from a GitHub gist URL and `d3.csvFormat` converts it back to a string to calculate its size in kilobytes. The visualization initially displays “Loading…” and updates to the summary once the data arrives.

AAlex Stulov

Loading data with React and D3

This example demonstrates the loading of a CSV dataset within a React application, displaying a summary message that reports the file size in kilobytes, row count, and column count. The interface initially shows a loading state and updates once the data is fetched. The code combines React’s `useState` and `useEffect` hooks with the `d3.csv` function from D3 v7, and uses `d3.csvFormat` within the message utility to compute data size. The visualization renders as an SVG container, though the output is text-based.

Mmbooch22

Loading data with React and D3

This example demonstrates how to load and summarize CSV data within a React application using D3. The interface displays the number of rows, columns, and file size in kilobytes once the data has been fetched. It uses React’s `useState` and `useEffect` hooks to manage asynchronous loading, while the `d3.csv` function retrieves the dataset from a GitHub gist. The code also calls `d3.csvFormat` to calculate the raw data size, with a simple loading message shown before the fetch completes.

Nnahsiloh

Loading Data with React & D3

This example demonstrates how to load and summarize CSV data using React hooks and D3 utilities. It displays the file size in kilobytes, row count, and column count as plain text. The application uses React's `useState` and `useEffect` hooks to fetch and store the parsed data, while D3's `csv` function handles the remote data loading from a GitHub gist URL. The `message` module formats the data statistics using `d3.csvFormat`.

Iikerson

Loading Data with React & D3

This example demonstrates how to load and summarize a CSV dataset within a React application, displaying the data’s size, row count, and column count as text. It uses D3’s `csv` function to fetch data from a remote GitHub gist, while React’s `useState` and `useEffect` hooks manage the loading state and trigger the asynchronous request. The rendered output updates from a “Loading...” message to the computed statistics once the data arrives, with the message formatted using `d3.csvFormat` and JavaScript string concatenation.

NNaoto Nishimura

Loading Data with React & D3

This example demonstrates how to combine React and D3 to load and summarize a CSV dataset, displaying file size, row count, and column count. The app uses React’s `useState` and `useEffect` hooks to fetch data asynchronously via `d3.csv` from a GitHub Gist, then renders the summary using a custom `message` function that leverages `csvFormat`. While loading, it shows a "Loading..." placeholder. The code relies on D3 v7 and React 16.9, with the browser rendering the output in a large `<pre>` element.

AAlex Gomes

Loading Data with React D3

This example demonstrates how to load and summarize a dataset within a React application using D3 utilities. The interface displays a text summary showing the dataset’s size in kilobytes, row count, and column count, initially presenting “loading…” before the data arrives. The code uses D3’s `csv` function to fetch a CSV file from a GitHub gist containing CSS named colors, then processes the result through D3’s `csvFormat` function. React’s `useState` and `useEffect` hooks manage the asynchronous data loading, while the custom `message` function generates the displayed statistics.

UUnknown-bot-sus

Loading Data with React D3

This example demonstrates how to load and summarize a CSV dataset within a React component using D3. It displays the file size in kilobytes, row count, and column count as plain text. The code uses React hooks (`useState`, `useEffect`) to manage asynchronous data loading and the `csv` function from D3 to fetch the dataset from a remote URL. The `message` helper formats the dataset stats, while the view renders either the summary or a loading message.

RRahul Gupta