An interactive scatter plot of the Iris dataset lets users choose which of the four flower measurements—sepal length, sepal width, petal length, or petal width—appears on each axis via dropdown menus built with React. Points are colored by species using a fixed color scale, with d3.axisBottom and d3.axisLeft rendering grid lines and tick labels. The visualization uses d3.scaleLinear for positioning, d3.extent for domain calculation, and SVG circles for rendering, with data loaded from a CSV source.