This example demonstrates how to load and display a summary of CSS named colors data using React and D3. It fetches a CSV file from a GitHub gist via D3’s `csv` utility, then stores the parsed dataset in React state with the `useState` and `useEffect` hooks. While the data loads, the interface shows a “Loading…” message. Once available, the component renders a plain-text summary—computed with `d3.csvFormat`—reporting the dataset’s size in kilobytes, row count, and column count, all displayed in a large monospace `<pre>` element.