Vega-Lite spec from Tue Jul 19 2022

spec.json

{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "data": {"url": "data/population.json"},
  "transform": [
    {"filter": "datum.year == 2000"},
    {"calculate": "datum.sex == 2 ? 'Female' : 'Male'", "as": "gender"}
  ],
  "mark": {"type": "arc", "tooltip": true},
  "encoding": {
    "theta": {
      "aggregate": "sum",
      "field": "people",
      "title": "population",
      "stack": "normalize"
    },
    "color": {"field": "gender", "scale": {"range": ["#675193", "#ca8861"]}}
  }
}