Horizontally repeated charts

Horizontally repeated charts that show the histograms of different parameters of cars in different countries

Vega-Lite JSON Specification

{
  "$schema": "https://vega.github.io/schema/vega-lite/v2.json",
  "repeat": {"column": ["Horsepower","Miles_per_Gallon", "Acceleration"]},
  "spec": {
    "data": {"url": "data/cars.json"},
    "mark": "bar",
    "encoding": {
      "x": {
        "field": {"repeat": "column"},
        "bin": true,
        "type": "quantitative"
      },
      "y": {"aggregate": "count","type": "quantitative"},
      "color": {"field": "Origin","type": "nominal"}
    }
  }
}