This interactive parallel coordinate plot visualizes the classic Iris dataset, displaying four morphometric traits for three iris species. The SVG rendering uses semi-transparent, colored polylines to represent individual flowers, with the user able to reposition axes by dragging them. The code relies on D3's `d3.scalePoint`, `d3.scaleLinear`, `d3.axisLeft`, and `d3.line` to construct the plot, while a `select` element toggles between `union` and `self` Y-axis scaling. A drag interaction updates the axis positions and animates the transition using D3's `.transition()` method.