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      "url": "https://raw.githubusercontent.com/vega/vega-datasets/master/data/cars.json",
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          "field": "Horsepower",
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          "type": "bin",
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            "bin_maxbins_15_Horsepower_end",
            "Origin"
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        {
          "type": "filter",
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        }
      ]
    },
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      "name": "row_domain",
      "source": "source_0",
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    "offset": {"rowTitle": 10},
    "columns": 1,
    "bounds": "full",
    "align": "all"
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        "orient": "left",
        "style": "guide-title",
        "offset": 10
      }
    },
    {
      "name": "row_header",
      "type": "group",
      "role": "row-header",
      "from": {"data": "row_domain"},
      "sort": {"field": "datum[\"Origin\"]", "order": "ascending"},
      "title": {
        "text": {
          "signal": "isValid(parent[\"Origin\"]) ? parent[\"Origin\"] : \"\"+parent[\"Origin\"]"
        },
        "orient": "left",
        "style": "guide-label",
        "frame": "group",
        "offset": 10
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      "encode": {"update": {"height": {"signal": "child_height"}}},
      "axes": [
        {
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          "title": "Count of Records",
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        {
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          "orient": "bottom",
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          "labelFlush": true,
          "labelOverlap": true,
          "tickCount": {"signal": "ceil(child_width/10)"},
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      ]
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          "from": {"data": "facet"},
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              "fill": {"value": "#4c78a8"},
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                {
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              ],
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                {"scale": "x", "field": "bin_maxbins_15_Horsepower_end"}
              ],
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        }
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      "axes": [
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          "scale": "y",
          "orient": "left",
          "gridScale": "x",
          "grid": true,
          "tickCount": {"signal": "ceil(child_height/40)"},
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          "labels": false,
          "aria": false,
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          "minExtent": 0,
          "ticks": false,
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        "signal": "[child_bin_maxbins_15_Horsepower_bins.start, child_bin_maxbins_15_Horsepower_bins.stop]"
      },
      "range": [0, {"signal": "child_width"}],
      "bins": {"signal": "child_bin_maxbins_15_Horsepower_bins"},
      "zero": false
    },
    {
      "name": "y",
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      "domain": {"data": "source_0", "field": "__count"},
      "range": [{"signal": "child_height"}, 0],
      "nice": true,
      "zero": true
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}