Loading Data with React and D3

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 and D3

This example demonstrates how to load and display CSV data within a React application using D3. It shows a text summary of the dataset, including its size in kilobytes, row count, and column count, while the data is fetched asynchronously from a remote GitHub URL. The code uses React hooks like `useState` and `useEffect` along with D3’s `csv` function to parse the data, and renders the result as SVG text within a `<pre>` element.

Ccaptind

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 & D3

This example shows how React state and D3 utilities work together to load and summarize a CSV dataset. It displays the file size in kilobytes, the number of rows, and the number of columns inside a large <pre> element. The code uses React’s `useState` and `useEffect` hooks to fetch the CSV from a GitHub gist via `d3.csv`, then formats the result with `d3.csvFormat` and passes it to a custom message function. The visualization is minimal, focusing on data-loading mechanics rather than graphical output.

LLucyI

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 CSV dataset using D3 utilities within a React application. It shows a text-based overview of the data, displaying the file size in kilobytes, row count, and column count, initially showing a "Loading..." message. The code fetches a CSS named colors CSV from a GitHub gist using `d3.csv`, stores the result in React state via `useState` and `useEffect`, and formats the statistics with `d3.csvFormat`. The output is rendered as SVG text inside a `<pre>` element using ReactDOM.

TTRANDONGXYZ

Loading Data with React & D3

This example demonstrates how to load and summarize external CSV data within a React application using D3. The interface displays a text summary of the dataset, including file size in kilobytes, row count, and column count, which updates once the data finishes loading. The code uses React hooks (`useState`, `useEffect`) to manage asynchronous state, fetches data via D3’s `csv` function from a GitHub gist containing CSS named colors, and formats the output with `d3.csvFormat`. A loading message appears while the request is pending, and the result is rendered inside a `<pre>` element.

GGonzalo Alarcón Usui

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