Stacked Area Chart
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Vega-Lite JSON Specification
{
"$schema": "https://vega.github.io/schema/vega-lite/v4.json",
"width": 300, "height": 200,
"data": {"url": "data/unemployment-across-industries.json"},
"mark": "area",
"encoding": {
"x": {
"timeUnit": "yearmonth", "field": "date",
"axis": {"format": "%Y"}
},
"y": {
"aggregate": "sum", "field": "count"
},
"color": {
"field": "series",
"scale": {"scheme": "category20b"}
}
}
}