This example visualizes the Iris Dataset as a scatter plot, mapping sepal length to the x-axis and petal length to the y-axis. Each of the 150 points is colored by species—setosa, versicolor, or virginica—using an ordinal color scale with `d3.scaleOrdinal` and `schemeCategory10`. A color legend displays the species labels, while axes with custom labels are rendered via reusable `axes` and `colorLegend` functions. The visualization uses `d3.csvParse` to load data and selection joins to bind circles to the dataset.