{ "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "data": { "url": "https://vega.github.io/vega-lite/data/stocks.csv" }, "encoding": { "strokeDash": { "field": "symbol", "type": "nominal" }, "x": { "field": "date", "type": "temporal" }, "y": { "field": "price", "type": "quantitative" } }, "mark": { "opacity": 0.6, "strokeWidth": 1, "type": "line" }, "width": 350 }