mypLot = Plot.plot({
marginLeft: 60,
x: {axis: null},
y: {label: "Activity concentration (Bq/L)", grid: true},
color: {legend: true},
facet: {data: dataSelected, x: "exercise", interval: 1},
marks: [
Plot.barY(dataSelected, {x: "lab", y: "activity", fill: "lab"}),
Plot.link(dataSelected, {
y1: (d) => !isNaN(d.activity) ? d.activity + d.uncertainty : d.DL,
y2: (d) => !isNaN(d.activity) ? d.activity - d.uncertainty : 0,
x1: "lab",
x2: "lab",
}),
]
})