{ "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "description": "A population pyramid for the US in 2000, created using stack. See https://vega.github.io/vega-lite/examples/concat_population_pyramid.html for a variant of this created using concat.", "data": { "url": "data/population.json"}, "transform": [ {"filter": "datum.year == 2000"}, {"calculate": "datum.sex == 2 ? 'Female' : 'Male'", "as": "gender"}, {"calculate": "datum.sex == 2 ? -datum.people : datum.people", "as": "signed_people"} ], "width": 300, "height": 200, "mark": "bar", "encoding": { "y": { "field": "age", "axis": null, "sort": "descending" }, "x": { "aggregate": "sum", "field": "signed_people", "title": "population", "axis": {"format": "s"} }, "color": { "field": "gender", "scale": {"range": ["#675193", "#ca8861"]}, "legend": {"orient": "top", "title": null} } }, "config": { "view": {"stroke": null}, "axis": {"grid": false} }}