This example shows a scatter plot of the Iris Dataset, mapping petal width on the x-axis against sepal length on the y-axis, with each flower represented by a circle. It uses a reusable chart pattern where the scatter plot function is configured via chained setter methods for dimensions, margins, and data accessors. The visualization is rendered as SVG, with axes generated using d3-axis and scales created with d3-scale. The code leverages d3.csv for data loading and d3.select to append the SVG to the page.