{ "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "description": "Summarized and per year weather information for Seatle and New York.", "data": {"url": "data/weather.csv"}, "repeat": {"column": ["temp_max", "precipitation", "wind"]}, "spec": { "layer": [ { "mark": "line", "encoding": { "y": { "aggregate": "mean", "field": {"repeat": "column"} }, "x": { "timeUnit": "month", "field": "date", "type": "ordinal" }, "detail": { "timeUnit": "year", "field": "date" }, "color": {"field": "location"}, "opacity": {"value": 0.2} } }, { "mark": "line", "encoding": { "y": { "aggregate": "mean", "field": {"repeat": "column"} }, "x": { "timeUnit": "month", "field": "date", "type": "ordinal" }, "color": {"field": "location"} } } ] }}