Plot.plot({
inset: 10,
marks: [
Plot.density(faithful, {x: "waiting", y: "eruptions", stroke: "steelblue", strokeWidth: 0.25}),
Plot.density(faithful, {x: "waiting", y: "eruptions", stroke: "steelblue", thresholds: 4}),
Plot.dot(faithful, {x: "waiting", y: "eruptions", fill: "currentColor", r: 1.5})
]
})