{
"$schema": "https://vega.github.io/schema/vega-lite/v4.json",
"data": {
"url": "https://datagraphics.dc.scilifelab.se/api/dataset/bbbaf64a25a1452287a8630503f07418.csv"
},
"transform": [
{
"calculate": "day(datetime(utcyear(datum.date), 0, 1))",
"as": "startingDay"
},
{
"calculate": "(4 - datum.startingDay) % 7 - 2",
"as": "mondayOfFirstWeek"
},
{
"calculate": "1 + floor((utcdayofyear(datum.date) - datum.mondayOfFirstWeek) / 7)",
"as": "ISOweek"
}
],
"width": 800,
"height": 250,
"mark": {
"type": "bar",
"tooltip": true
},
"encoding": {
"x": {
"title": "Week",
"field": "ISOweek",
"type": "ordinal",
"axis": {
"labelAngle": 0
}
},
"y": {
"title": "Number of tests",
"field": "count",
"aggregate": "sum",
"type": "quantitative",
"axis": {
"orient": "right"
}
},
"color": {
"field": "class",
"type": "nominal",
"scale": {
"domain": [
"invalid/inconclusive",
"negative",
"positive"
],
"range": [
"#c7c7c7",
"#8fd7f9",
"#ef9292"
]
},
"legend": {
"title": "Test results"
}
}
}
}