{ "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "data": {"url": "data/cars.json"}, "width": 50, "mark": "text", "encoding": { "y": { "field": "Origin", "type": "ordinal" }, "text": { "aggregate": "mean", "field": "Horsepower", "type": "quantitative", "format": ".2f" } }}