This example visualizes the relationship between lung capacity and age, with each dot representing an individual and a hover tooltip revealing their disease type. Built with React and D3 v5, the scatterplot uses `scaleLinear` and `extent` to map the CSV data onto axes labeled "Age (years)" and "Lung Capacity." The code renders SVG elements via `React.createElement`, applies axes with `axisLeft` and `axisBottom`, and implements interactive tooltips using D3's `select` on mouse events.