Choropleth of Unemployment Rate per County
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Vega-Lite JSON Specification
{
"$schema": "https://vega.github.io/schema/vega-lite/v4.json",
"width": 500,
"height": 300,
"data": {
"url": "data/us-10m.json",
"format": {
"type": "topojson",
"feature": "counties"
}
},
"transform": [{
"lookup": "id",
"from": {
"data": {
"url": "data/unemployment.tsv"
},
"key": "id",
"fields": ["rate"]
}
}],
"projection": {
"type": "albersUsa"
},
"mark": "geoshape",
"encoding": {
"color": {
"field": "rate",
"type": "quantitative"
}
}
}