Mario Delgado 

Vega-Lite Techniques

Syntax for Vega-lite:

viewof chart = vegalite({
  "width": 360,
  "height": 200,
  "data": {"values":data},
  "layer": [{
    "selection": {
      "brush": {
        "type": "interval",
        "encodings": ["x"]
      }
    },
    "mark": "bar",
    "encoding": {
      "x": {
        "field": "name",
        "type": "ordinal"
      },
      "y": {
        "field": "value",
        "type": "quantitative"
      },
      "opacity": {
        "condition": {
          "selection": "brush", "value": 1
        },
        "value": 0.7
      }
    }
  }] 
})