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        "label": "Horsepower",
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      },
      {
        "id": "weight",
        "label": "Weight (lb)",
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        "id": "acceleration",
        "label": "Accel (s)",
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  "annotations": [],
  "document": {
    "header": {
      "title": "Feature Relationships",
      "subtitle": "Pairwise relationships between variables"
    },
    "footer": {
      "source": "xarts · demo data",
      "notes": "Illustrative data to explore the chart and replace with your own."
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}