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Likert Scale Ratings Distributions and Medians

Likert Scale Ratings Distributions and Medians. (Figure 9. from @jhoffswell and @zcliu’s ‘Interactive Repair of Tables Extracted from PDF Documents on Mobile Devices’ – http://idl.cs.washington.edu/files/2019-InteractiveTableRepair-CHI.pdf)

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Vega-Lite JSON Specification

{
  "$schema": "https://vega.github.io/schema/vega-lite/v3.json",
  "description": "Likert Scale Ratings Distributions and Medians. (Figure 9 from @jhoffswell and @zcliu's ['Interactive Repair of Tables Extracted from PDF Documents on Mobile Devices'](https://idl.cs.washington.edu/files/2019-InteractiveTableRepair-CHI.pdf))",
  "datasets": {
    "medians": [
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      {"name": "Fix Errors:", "median": 2, "lo": "Easy", "hi": "Hard"},
      {"name": "Easier to Fix:", "median": 1.999969, "lo": "Toolbar", "hi": "Gesture"},
      {"name": "Faster to Fix:", "median": 2.500045, "lo": "Toolbar", "hi": "Gesture"},
      {"name": "Easier on Phone:", "median": 1.500022, "lo": "Toolbar", "hi": "Gesture"},
      {"name": "Easier on Tablet:", "median": 2.99998, "lo": "Toolbar", "hi": "Gesture"},
      {"name": "Device Preference:", "median": 4.500007, "lo": "Phone", "hi": "Tablet"}
    ],
    "values": [
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      {"value": 2, "name": "Fix Errors:", "id": "P1"},
      {"value": 3, "name": "Easier to Fix:", "id": "P1"},
      {"value": 4, "name": "Faster to Fix:", "id": "P1"},
      {"value": 2, "name": "Easier on Phone:", "id": "P1"},
      {"value": 5, "name": "Easier on Tablet:", "id": "P1"},
      {"value": 5, "name": "Device Preference:", "id": "P1"},
      {"value": 1, "name": "Tablet_First", "id": "P1"},
      {"value": 1, "name": "Toolbar_First", "id": "P1"},
      {"value": "P2", "name": "Participant ID", "id": "P2"},
      {"value": 2, "name": "Identify Errors:", "id": "P2"},
      {"value": 3, "name": "Fix Errors:", "id": "P2"},
      {"value": 4, "name": "Easier to Fix:", "id": "P2"},
      {"value": 5, "name": "Faster to Fix:", "id": "P2"},
      {"value": 5, "name": "Easier on Phone:", "id": "P2"},
      {"value": 5, "name": "Easier on Tablet:", "id": "P2"},
      {"value": 5, "name": "Device Preference:", "id": "P2"},
      {"value": 1, "name": "Tablet_First", "id": "P2"},
      {"value": 1, "name": "Toolbar_First", "id": "P2"},
      {"value": "P3", "name": "Participant ID", "id": "P3"},
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      {"value": 2, "name": "Fix Errors:", "id": "P3"},
      {"value": 2, "name": "Easier to Fix:", "id": "P3"},
      {"value": 1, "name": "Faster to Fix:", "id": "P3"},
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      {"value": 1, "name": "Easier on Tablet:", "id": "P3"},
      {"value": 5, "name": "Device Preference:", "id": "P3"},
      {"value": 1, "name": "Tablet_First", "id": "P3"},
      {"value": 0, "name": "Toolbar_First", "id": "P3"},
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      {"value": 3, "name": "Fix Errors:", "id": "P4"},
      {"value": 2, "name": "Easier to Fix:", "id": "P4"},
      {"value": 2, "name": "Faster to Fix:", "id": "P4"},
      {"value": 4, "name": "Easier on Phone:", "id": "P4"},
      {"value": 1, "name": "Easier on Tablet:", "id": "P4"},
      {"value": 5, "name": "Device Preference:", "id": "P4"},
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      {"value": 0, "name": "Toolbar_First", "id": "P4"},
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      {"value": 4, "name": "Easier to Fix:", "id": "P5"},
      {"value": 4, "name": "Faster to Fix:", "id": "P5"},
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      {"value": 5, "name": "Easier on Tablet:", "id": "P5"},
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      {"value": 1, "name": "Toolbar_First", "id": "P5"},
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      {"value": 3, "name": "Easier to Fix:", "id": "P6"},
      {"value": 4, "name": "Faster to Fix:", "id": "P6"},
      {"value": 4, "name": "Easier on Phone:", "id": "P6"},
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      {"value": 4, "name": "Easier to Fix:", "id": "P7"},
      {"value": 5, "name": "Faster to Fix:", "id": "P7"},
      {"value": 3, "name": "Easier on Phone:", "id": "P7"},
      {"value": 2, "name": "Easier on Tablet:", "id": "P7"},
      {"value": 4, "name": "Device Preference:", "id": "P7"},
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      {"value": 1, "name": "Faster to Fix:", "id": "P10"},
      {"value": 1, "name": "Easier on Phone:", "id": "P10"},
      {"value": 1, "name": "Easier on Tablet:", "id": "P10"},
      {"value": 5, "name": "Device Preference:", "id": "P10"},
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      {"value": 1, "name": "Easier on Phone:", "id": "P11"},
      {"value": 1, "name": "Easier on Tablet:", "id": "P11"},
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      {"value": 0, "name": "Toolbar_First", "id": "P11"},
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      {"value": 1, "name": "Identify Errors:", "id": "P12"},
      {"value": 3, "name": "Fix Errors:", "id": "P12"},
      {"value": 2, "name": "Easier to Fix:", "id": "P12"},
      {"value": 3, "name": "Faster to Fix:", "id": "P12"},
      {"value": 1, "name": "Easier on Phone:", "id": "P12"},
      {"value": 3, "name": "Easier on Tablet:", "id": "P12"},
      {"value": 3, "name": "Device Preference:", "id": "P12"},
      {"value": 0, "name": "Tablet_First", "id": "P12"},
      {"value": 1, "name": "Toolbar_First", "id": "P12"},
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      {"value": 0, "name": "Toolbar_First", "id": "P15"},
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      {"value": 1, "name": "Identify Errors:", "id": "P16"},
      {"value": 3, "name": "Fix Errors:", "id": "P16"},
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      {"value": 4, "name": "Easier on Tablet:", "id": "P16"},
      {"value": 5, "name": "Device Preference:", "id": "P16"},
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      {"value": 3, "name": "Identify Errors:", "id": "P17"},
      {"value": 2, "name": "Fix Errors:", "id": "P17"},
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      {"value": 2, "name": "Faster to Fix:", "id": "P17"},
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      {"value": 3, "name": "Easier on Tablet:", "id": "P17"},
      {"value": 2, "name": "Device Preference:", "id": "P17"},
      {"value": 0, "name": "Tablet_First", "id": "P17"},
      {"value": 0, "name": "Toolbar_First", "id": "P17"}
    ]
  },
  "data": {"name": "medians"},
  "title": "Questionnaire Ratings",
  "width": 250,
  "height": 175,
  "encoding": {
    "y": {
      "field": "name",
      "type": "nominal",
      "sort": null,
      "axis": {
        "domain": false,
        "offset": 50,
        "labelFontWeight": "bold",
        "ticks": false,
        "grid": true,
        "title": null
      }
    }
  },
  "view": {"stroke": null},
  "layer": [
    {
      "mark": "circle",
      "data": {"name": "values"},
      "transform": [
        {"filter": "datum.name != 'Toolbar_First'"},
        {"filter": "datum.name != 'Tablet_First'"},
        {"filter": "datum.name != 'Participant ID'"}
      ],
      "encoding": {
        "x": {
          "field": "value",
          "type": "quantitative",
          "scale": {"domain": [0,6]},
          "axis": {"grid": false, "values": [1,2,3,4,5]}
        },
        "size": {
          "aggregate": "count",
          "type": "quantitative",
          "legend": {
            "title": "Number of Ratings",
            "offset": 75
          }
        },
        "color": {"value": "#6EB4FD"}
      }
    },
    {
      "mark": "tick",
      "encoding": {
        "x": {
          "field": "median",
          "type": "quantitative",
          "scale": {"domain": [1,5]},
          "axis": {"title": null}
        },
        "color": {
          "value": "black"
        }
      }
    },
    {
      "mark": {"type": "text", "x": -5, "align": "right"},
      "encoding": {
        "text": {
          "field": "lo",
          "type": "nominal"
        }
      }
    },
    {
      "mark": {"type": "text", "x": 255, "align": "left"},
      "encoding": {
        "text": {
          "field": "hi",
          "type": "nominal"
        }
      }
    }
  ]
}