blog example: vega-lite

example-vega-lite.json

{
  "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
  "description": "A simple bar chart with embedded data.",
  "data": {
    "values": [
      {"country": "China", "population": 131744}, 
      {"country": "India", "population": 104970},
      {"country": "US", "population": 29034}
    ]
  },
  "mark": "bar",
  "encoding": {
    "x": {"field": "population", "type": "quantitative"},
    "y": {"field": "country", "type": "nominal"}
  }
}