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The one with the boxplot

This chart was a Tableau Workout Wednesday challenge. Week 12 Tableau Workout Wednesday

WOW2022 Week13

  Dataset

The dataset is part of the presentation on the Workout Wednesday challenge above.

  Additional fields created

Jitter

1
Jitter = RANDBETWEEN(2,18)

  Fields used

  • Playoffs
  • Team
  • Name
  • Age
  • Jitter

  Specification

The specification in a nutshell:

hconcat 
  hconcat1 : filter : Playoffs == 'Playoff Teams'
  * layer
    * boxplot mark
    * rect mark (for the darker section)
    * point mark
  hconcat2 : filter : Playoffs != 'Playoff Teams'
  * layer
      * boxplot mark
      * rect mark
      * point mark

  Config

See the JSON template section of this post.

  External references

  View chart

Open the Chart in the Vega Editor

  JSON template

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{
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  "usermeta": {
    "deneb": {
      "build": "1.1.0.0",
      "metaVersion": 1,
      "provider": "vegaLite",
      "providerVersion": "5.2.0"
    },
    "interactivity": {
      "tooltip": true,
      "contextMenu": true,
      "selection": false,
      "dataPointLimit": 50
    },
    "information": {
      "name": "The one with the boxplot",
      "description": "A jitter boxplot based upon the Tableau Workout Wednesday",
      "author": "Thys van der Westhuizen",
      "uuid": "83e13918-3550-4893-b652-bd806f9581f3",
      "generated": "2022-04-05T19:42:49.623Z"
    },
    "dataset": [
      {
        "key": "__0__",
        "name": "LevelA",
        "description": "First level of a hierarchy",
        "type": "text",
        "kind": "column"
      },
      {
        "key": "__1__",
        "name": "LevelB",
        "description": "Second level of a hierarchy ",
        "type": "text",
        "kind": "column"
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      {
        "key": "__2__",
        "name": "LevelC",
        "description": "Third level of a hierarchy",
        "type": "text",
        "kind": "column"
      },
      {
        "key": "__3__",
        "name": "Measure",
        "description": "Measure that is being evaluated",
        "type": "numeric",
        "kind": "measure"
      },
      {
        "key": "__4__",
        "name": "Jitter",
        "description": "Random number between 2 and 18 (Range for the xOffset is between 0 and 20 to give a bit of padding for the individual items)",
        "type": "numeric",
        "kind": "measure"
      }
    ]
  },
  "config": {
    "autosize": {
      "type": "fit",
      "contains": "padding"
    },
    "concat": {"spacing": -10},
    "view": {"stroke": "transparent"},
    "font": "Segoe UI",
    "arc": {},
    "area": {
      "line": true,
      "opacity": 0.6
    },
    "bar": {},
    "line": {
      "strokeWidth": 3,
      "strokeCap": "round",
      "strokeJoin": "round"
    },
    "path": {},
    "point": {
      "filled": true,
      "size": 75
    },
    "rect": {},
    "shape": {},
    "symbol": {
      "strokeWidth": 1.5,
      "size": 50
    },
    "text": {
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      "fill": "#605E5C"
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    "axis": {
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      "grid": false,
      "domain": false,
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      "titleFont": "wf_standard-font, helvetica, arial, sans-serif",
      "titleColor": "#252423",
      "titleFontSize": 16,
      "titleFontWeight": "normal"
    },
    "axisQuantitative": {
      "tickCount": 3,
      "grid": true,
      "gridColor": "#C8C6C4",
      "gridDash": [1, 5],
      "labelFlush": false
    },
    "axisBand": {"tickExtra": true},
    "axisX": {"labelPadding": 5},
    "axisY": {"labelPadding": 10},
    "header": {
      "titleFont": "wf_standard-font, helvetica, arial, sans-serif",
      "titleFontSize": 16,
      "titleColor": "red",
      "labelFont": "Segoe UI",
      "labelFontSize": 12,
      "labelColor": "#605E5C"
    },
    "legend": {
      "titleFont": "Segoe UI",
      "titleFontWeight": "bold",
      "titleColor": "#605E5C",
      "labelFont": "Segoe UI",
      "labelFontSize": 13.333333333333332,
      "labelColor": "#605E5C",
      "symbolType": "circle",
      "symbolSize": 75
    }
  },
  "data": {"name": "dataset"},
  "transform": [
    {
      "calculate": "datum['__1__'] + ' | ' + datum['__3__']",
      "as": "__tooltip2__"
    }
  ],
  "hconcat": [
    {
      "title": {
        "text": "Playoff Teams",
        "dx": 0
      },
      "width": {"step": 55},
      "height": 350,
      "transform": [
        {
          "filter": "datum['__0__'] == 'Playoff Teams'"
        }
      ],
      "layer": [
        {
          "mark": {
            "type": "boxplot",
            "extent": "min-max",
            "size": 25,
            "ticks": {"size": 25},
            "box": {"fill": "#dfdfdf"}
          },
          "encoding": {
            "x": {
              "field": "__1__",
              "type": "nominal",
              "axis": {
                "orient": "top",
                "labelPadding": -20,
                "title": null,
                "grid": true,
                "gridColor": "#C8C6C4",
                "labelAngle": 0,
                "ticks": true,
                "tickSize": 30,
                "tickColor": "#C8C6C4",
                "tickBand": "extent"
              }
            },
            "y": {
              "field": "__3__",
              "type": "quantitative",
              "scale": {
                "domain": [18, 40]
              },
              "axis": {
                "tickCount": 10,
                "titleAngle": 0,
                "titleY": -10
              }
            }
          }
        },
        {
          "mark": {
            "type": "rect",
            "width": 25,
            "color": "#b8b9b9"
          },
          "encoding": {
            "x": {
              "field": "__1__",
              "type": "nominal"
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            "y": {
              "aggregate": "median",
              "field": "__3__",
              "type": "quantitative"
            },
            "y2": {
              "aggregate": "q1",
              "field": "__3__"
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            "opacity": {"value": 1}
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        {
          "mark": {
            "type": "point",
            "size": 20,
            "tooltip": true
          },
          "encoding": {
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              "type": "nominal",
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                "title": null,
                "grid": true,
                "gridColor": "#C8C6C4",
                "labelAngle": 0,
                "ticks": true,
                "tickSize": 30,
                "tickColor": "#C8C6C4",
                "tickBand": "extent"
              }
            },
            "y": {
              "field": "__3__",
              "type": "quantitative"
            },
            "xOffset": {
              "field": "__4__",
              "type": "quantitative",
              "scale": {
                "domain": [0, 20]
              }
            },
            "color": {
              "value": "#4e79a7"
            },
            "tooltip": [
              {
                "field": "__2__",
                "title": "Player"
              },
              {
                "field": "__tooltip2__",
                "title": " "
              }
            ]
          }
        }
      ]
    },
    {
      "view": {"fill": "#f9f9f9"},
      "title": {
        "text": "No Playoffs",
        "dx": 0
      },
      "width": {"step": 55},
      "transform": [
        {
          "filter": "datum['__0__'] != 'Playoff Teams'"
        }
      ],
      "layer": [
        {
          "mark": {
            "type": "boxplot",
            "extent": "min-max",
            "size": 25,
            "ticks": {"size": 25},
            "box": {"fill": "#dfdfdf"}
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                "tickBand": "extent"
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                "domain": [18, 40]
              },
              "axis": {
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                "labels": false,
                "tickCount": 10
              }
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          }
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        {
          "mark": {
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            "width": 25,
            "color": "#b8b9b9"
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          "encoding": {
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              "aggregate": "q1",
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                "labelAngle": 0,
                "ticks": true,
                "tickSize": 30,
                "tickColor": "#C8C6C4",
                "tickBand": "extent"
              }
            },
            "y": {
              "field": "__3__",
              "type": "quantitative"
            },
            "xOffset": {
              "field": "__4__",
              "type": "quantitative",
              "scale": {
                "domain": [0, 20]
              }
            },
            "color": {
              "value": "#4e79a7"
            },
            "tooltip": [
              {
                "field": "__2__",
                "title": "Player"
              },
              {
                "field": "__tooltip2__",
                "title": " "
              }
            ]
          }
        }
      ]
    }
  ],
  "resolve": {"scale": {"y": "shared"}}
}

<!– end of json template>

This post is licensed under CC BY 4.0 by the author.