box_plot = Plot.plot({
x: { label: "Body mass →" },
y: { label: "Species", labelAnchor: "top" },
width: 800,
height: 300,
marks: [
Plot.boxX(penguins, { x: "body_mass_g", y: "species" }),
() =>
svg`<a target="_blank" href="https://allisonhorst.github.io/palmerpenguins/">
<text font-size="14" transform="translate(40,280)">Reference</text>
</a>`
]
})