Trellis Histograms
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Vega-Lite JSON Specification
{
"$schema": "https://vega.github.io/schema/vega-lite/v4.json",
"data": {"url": "data/cars.json"},
"mark": "bar",
"encoding": {
"x": {
"bin": {"maxbins": 15},
"field": "Horsepower",
"type": "quantitative"
},
"y": {
"aggregate": "count",
"type": "quantitative"
},
"row": {"field": "Origin"}
}
}