{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "background": "white",
  "padding": 5,
  "width": 200,
  "height": 200,
  "style": "cell",
  "description": "https://vega.github.io/vega-lite/examples/layer_cumulative_histogram.html",
  "data": [
    {
      "name": "source_0",
      "url": "https://raw.githubusercontent.com/vega/vega-datasets/master/data/movies.json",
      "format": {"type": "json"},
      "transform": [
        {
          "type": "extent",
          "field": "IMDB Rating",
          "signal": "bin_maxbins_10_IMDB_Rating_extent"
        },
        {
          "type": "bin",
          "field": "IMDB Rating",
          "as": ["bin_IMDB_Rating", "bin_IMDB_Rating_end"],
          "signal": "bin_maxbins_10_IMDB_Rating_bins",
          "extent": {"signal": "bin_maxbins_10_IMDB_Rating_extent"},
          "maxbins": 10
        },
        {
          "type": "aggregate",
          "groupby": ["bin_IMDB_Rating", "bin_IMDB_Rating_end"],
          "ops": ["count"],
          "fields": [null],
          "as": ["count"]
        },
        {"type": "filter", "expr": "datum.bin_IMDB_Rating !== null"},
        {
          "type": "window",
          "params": [null],
          "as": ["Cumulative Count"],
          "ops": ["sum"],
          "fields": ["count"],
          "sort": {"field": ["bin_IMDB_Rating"], "order": ["ascending"]},
          "frame": [null, 0]
        }
      ]
    },
    {
      "name": "data_0",
      "source": "source_0",
      "transform": [
        {
          "type": "filter",
          "expr": "isValid(datum[\"bin_IMDB_Rating\"]) && isFinite(+datum[\"bin_IMDB_Rating\"]) && isValid(datum[\"Cumulative Count\"]) && isFinite(+datum[\"Cumulative Count\"])"
        }
      ]
    },
    {
      "name": "data_1",
      "source": "source_0",
      "transform": [
        {
          "type": "filter",
          "expr": "isValid(datum[\"bin_IMDB_Rating\"]) && isFinite(+datum[\"bin_IMDB_Rating\"]) && isValid(datum[\"count\"]) && isFinite(+datum[\"count\"])"
        }
      ]
    }
  ],
  "marks": [
    {
      "name": "layer_0_marks",
      "type": "rect",
      "style": ["bar"],
      "from": {"data": "data_0"},
      "encode": {
        "update": {
          "fill": {"value": "#4c78a8"},
          "ariaRoleDescription": {"value": "bar"},
          "description": {
            "signal": "\"IMDB Rating: \" + (format(datum[\"bin_IMDB_Rating\"], \"\")) + \"; bin_IMDB_Rating_end: \" + (format(datum[\"bin_IMDB_Rating_end\"], \"\")) + \"; Cumulative Count: \" + (format(datum[\"Cumulative Count\"], \"\"))"
          },
          "x": [
            {
              "test": "!isValid(datum[\"bin_IMDB_Rating\"]) || !isFinite(+datum[\"bin_IMDB_Rating\"])",
              "value": 0
            },
            {"scale": "x", "field": "bin_IMDB_Rating"}
          ],
          "x2": [
            {
              "test": "!isValid(datum[\"bin_IMDB_Rating_end\"]) || !isFinite(+datum[\"bin_IMDB_Rating_end\"])",
              "value": 0
            },
            {"scale": "x", "field": "bin_IMDB_Rating_end"}
          ],
          "y": {"scale": "y", "field": "Cumulative Count"},
          "y2": {"scale": "y", "value": 0}
        }
      }
    },
    {
      "name": "layer_1_marks",
      "type": "rect",
      "style": ["bar"],
      "from": {"data": "data_1"},
      "encode": {
        "update": {
          "opacity": {"value": 0.5},
          "fill": {"value": "yellow"},
          "ariaRoleDescription": {"value": "bar"},
          "description": {
            "signal": "\"IMDB Rating: \" + (format(datum[\"bin_IMDB_Rating\"], \"\")) + \"; bin_IMDB_Rating_end: \" + (format(datum[\"bin_IMDB_Rating_end\"], \"\")) + \"; count: \" + (format(datum[\"count\"], \"\"))"
          },
          "x": [
            {
              "test": "!isValid(datum[\"bin_IMDB_Rating\"]) || !isFinite(+datum[\"bin_IMDB_Rating\"])",
              "value": 0
            },
            {"scale": "x", "field": "bin_IMDB_Rating"}
          ],
          "x2": [
            {
              "test": "!isValid(datum[\"bin_IMDB_Rating_end\"]) || !isFinite(+datum[\"bin_IMDB_Rating_end\"])",
              "value": 0
            },
            {"scale": "x", "field": "bin_IMDB_Rating_end"}
          ],
          "y": {"scale": "y", "field": "count"},
          "y2": {"scale": "y", "value": 0}
        }
      }
    }
  ],
  "scales": [
    {
      "name": "x",
      "type": "linear",
      "domain": {
        "fields": [
          {"data": "data_0", "field": "bin_IMDB_Rating"},
          {"data": "data_0", "field": "bin_IMDB_Rating_end"},
          {"data": "data_1", "field": "bin_IMDB_Rating"},
          {"data": "data_1", "field": "bin_IMDB_Rating_end"}
        ]
      },
      "range": [0, {"signal": "width"}],
      "zero": false,
      "nice": true,
      "padding": 5
    },
    {
      "name": "y",
      "type": "linear",
      "domain": {
        "fields": [
          {"data": "data_0", "field": "Cumulative Count"},
          {"data": "data_1", "field": "count"}
        ]
      },
      "range": [{"signal": "height"}, 0],
      "nice": true,
      "zero": true
    }
  ],
  "axes": [
    {
      "scale": "x",
      "orient": "bottom",
      "gridScale": "y",
      "grid": true,
      "tickCount": {"signal": "ceil(width/40)"},
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "y",
      "orient": "left",
      "gridScale": "x",
      "grid": true,
      "tickCount": {"signal": "ceil(height/40)"},
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "x",
      "orient": "bottom",
      "grid": false,
      "title": "IMDB Rating",
      "labelFlush": true,
      "labelOverlap": true,
      "tickCount": {"signal": "ceil(width/40)"},
      "zindex": 0
    },
    {
      "scale": "y",
      "orient": "left",
      "grid": false,
      "title": "Cumulative Count, count",
      "labelOverlap": true,
      "tickCount": {"signal": "ceil(height/40)"},
      "zindex": 0
    }
  ]
}