{ "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "data": { "url": "data/barley.json" }, "mark": "errorbar", "encoding": { "x": { "field": "yield", "type": "quantitative", "scale": { "zero": false } }, "y": { "field": "variety", "type": "ordinal" }, "tooltip": { "field": "variety", "type": "ordinal" } }}