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  "document": {
    "textOverflow": "preserve",
    "header": {
      "title": "Dos de los tres segmentos son el mismo cliente",
      "subtitle": "45 clientes de la cadena · gasto medio por visita frente a visitas al mes, con la envolvente de cada segmento"
    },
    "footer": {
      "source": "Datos de demostración de la receta convex-hull. Las envolventes y la cifra de solape las calcula la propia figura sobre estas 45 filas: cadena monótona de Andrew para el casco, recorte de Sutherland-Hodgman para el área común.",
      "notes": "El solape se da como fracción del área del primer casco, no de la unión: un cociente de áreas del mismo plano no cambia si mañana el gasto viene en céntimos.",
      "alt": "Nube de 45 clientes en un plano de gasto medio por visita (eje X, 13 a 64 euros) y visitas al mes (eje Y, 3 a 13). Cada uno de los tres segmentos lleva dibujado el polígono mínimo que encierra sus puntos. Los cascos de «Familias con hijos» y «Sénior de barrio» se montan uno sobre otro; el de «Jóvenes urbanos» queda aparte, abajo a la izquierda del gasto y arriba en frecuencia."
    },
    "spacing": {
      "horizontalPadding": 24,
      "topPadding": 22,
      "bottomPadding": 16,
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    }
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  "presentation": {
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      "width": 940,
      "height": 680
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    "locale": "es-ES",
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    "framePadding": 24
  },
  "output": {
    "filename": "convex-hull",
    "embedSpec": true,
    "geometryDecimals": 2
  },
  "operation": "group-convex-envelopes",
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        "label": "Observación 1",
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        "y": 4.8
      },
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        "id": "observation-2",
        "label": "Observación 2",
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        "y": 5.4
      },
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        "id": "observation-3",
        "label": "Observación 3",
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        "y": 4.5
      },
      {
        "id": "observation-4",
        "label": "Observación 4",
        "group": "g1",
        "x": 58.2,
        "y": 6.1
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        "id": "observation-5",
        "label": "Observación 5",
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        "x": 49.6,
        "y": 4.4
      },
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        "id": "observation-6",
        "label": "Observación 6",
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        "x": 52.5,
        "y": 3.3
      },
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        "id": "observation-7",
        "label": "Observación 7",
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        "x": 63.9,
        "y": 4.3
      },
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        "id": "observation-8",
        "label": "Observación 8",
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        "x": 46.8,
        "y": 6.1
      },
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        "id": "observation-9",
        "label": "Observación 9",
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        "y": 3.7
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        "id": "observation-10",
        "label": "Observación 10",
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        "y": 5
      },
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        "id": "observation-11",
        "label": "Observación 11",
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        "id": "observation-12",
        "label": "Observación 12",
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        "y": 3.2
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        "id": "observation-13",
        "label": "Observación 13",
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        "x": 55.2,
        "y": 6.4
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        "id": "observation-14",
        "label": "Observación 14",
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        "label": "Observación 15",
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        "id": "observation-16",
        "label": "Observación 16",
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        "y": 5.5
      },
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        "id": "observation-17",
        "label": "Observación 17",
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        "id": "observation-18",
        "label": "Observación 18",
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        "id": "observation-19",
        "label": "Observación 19",
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        "label": "Observación 20",
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        "id": "observation-23",
        "label": "Observación 23",
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        "label": "Observación 24",
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        "label": "Observación 25",
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        "y": 4.4
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        "id": "observation-26",
        "label": "Observación 26",
        "group": "g2",
        "x": 50,
        "y": 5.3
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        "id": "observation-27",
        "label": "Observación 27",
        "group": "g2",
        "x": 45.1,
        "y": 4.8
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        "id": "observation-28",
        "label": "Observación 28",
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        "label": "Observación 29",
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        "label": "Observación 30",
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        "label": "Observación 31",
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        "y": 3.6
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        "label": "Observación 32",
        "group": "g3",
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        "label": "Observación 33",
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        "y": 9.5
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        "id": "observation-34",
        "label": "Observación 34",
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        "x": 26.2,
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        "id": "observation-35",
        "label": "Observación 35",
        "group": "g3",
        "x": 19,
        "y": 12
      },
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        "id": "observation-36",
        "label": "Observación 36",
        "group": "g3",
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        "y": 7.3
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        "id": "observation-37",
        "label": "Observación 37",
        "group": "g3",
        "x": 29.1,
        "y": 11.9
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        "id": "observation-38",
        "label": "Observación 38",
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        "y": 11.7
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        "id": "observation-39",
        "label": "Observación 39",
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        "x": 25.5,
        "y": 13.4
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        "id": "observation-40",
        "label": "Observación 40",
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        "y": 12.2
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        "id": "observation-41",
        "label": "Observación 41",
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        "x": 13.4,
        "y": 10.5
      },
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        "id": "observation-42",
        "label": "Observación 42",
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      },
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        "id": "observation-43",
        "label": "Observación 43",
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        "x": 15.5,
        "y": 10.7
      },
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        "id": "observation-44",
        "label": "Observación 44",
        "group": "g3",
        "x": 15.4,
        "y": 11.9
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        "id": "observation-45",
        "label": "Observación 45",
        "group": "g3",
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        "y": 7.6
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    ]
  },
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        "id": "g1",
        "label": "Familias con hijos",
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        "label": "Jóvenes urbanos",
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    ],
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      "label": "Gasto medio por visita (€)",
      "unit": "EUR/visita"
    },
    "y": {
      "label": "Visitas al mes",
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      "pair": {
        "selection": "maximum-directed-overlap"
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    },
    "paintOrder": "descending-hull-area"
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