{ "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "data": {"url": "data/seattle-weather.csv"}, "mark": "bar", "encoding": { "x": {"timeUnit": "month", "field": "date", "type": "ordinal"}, "y": {"aggregate": "count"}, "color": {"field": "weather"} }, "config": {"bar": {"cornerRadiusTopLeft": 8, "cornerRadiusTopRight": 8}}}