A scatter plot of the Iris Dataset, showing sepal length against sepal width with points colored by species using a plasma color scale. The visualization is built with React and D3 v6, using `scaleLinear` for axes, `scaleOrdinal` for species colors, and SVG circles rendered via the `Marks` component. Axis ticks are labeled using the `format` function, and hover tooltips display species and values. Data is loaded asynchronously with `csv` from a GitHub gist.