{ "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "description": "A simple donut chart with embedded data.", "data": { "values": [ {"category": 1, "value": 4}, {"category": 2, "value": 6}, {"category": 3, "value": 10}, {"category": 4, "value": 3}, {"category": 5, "value": 7}, {"category": 6, "value": 8} ] }, "mark": {"type": "arc", "innerRadius": 50}, "encoding": { "theta": {"field": "value", "type": "quantitative"}, "color": {"field": "category", "type": "nominal"} }, "view": {"stroke": null}}