Bubble Plot (Gapminder)

A bubble plot showing the correlation between health and income for 187 countries in the world (modified from an example in Lisa Charlotte Rost’s blog post ‘One Chart, Twelve Charting Libraries’ –http://lisacharlotterost.github.io/2016/05/17/one-chart-code/).

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Vega-Lite JSON Specification

{
  "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
  "description": "A bubble plot showing the correlation between health and income for 187 countries in the world (modified from an example in Lisa Charlotte Rost's blog post 'One Chart, Twelve Charting Libraries' --http://lisacharlotterost.github.io/2016/05/17/one-chart-code/).",
  "width": 500,"height": 300,
  "data": {
    "url": "data/gapminder-health-income.csv"
  },
  "selection": {
    "view": {"type": "interval", "bind": "scales"}
  },
  "mark": "circle",
  "encoding": {
    "y": {
      "field": "health",
      "type": "quantitative",
      "scale": {"zero": false},
      "axis": {"minExtent": 30}
    },
    "x": {
      "field": "income",
      "scale": {"type": "log"}
    },
    "size": {"field": "population", "type": "quantitative"},
    "color": {"value": "#000"}
  }
}