{
  "id": "observed-forecast-actual",
  "dataOrigin": "synthetic",
  "charts": [
    {
      "kind": "fan",
      "title": "관측값과 예측 구간",
      "unit": "pt",
      "x": [
        "2026-03-05",
        "2026-03-06",
        "2026-03-07",
        "2026-03-08",
        "2026-03-09",
        "2026-03-10",
        "2026-03-11",
        "2026-03-12",
        "2026-03-13",
        "2026-03-14",
        "2026-03-15",
        "2026-03-16",
        "2026-03-17",
        "2026-03-18",
        "2026-03-19",
        "2026-03-20",
        "2026-03-21",
        "2026-03-22",
        "2026-03-23",
        "2026-03-24",
        "2026-03-25",
        "2026-03-26",
        "2026-03-27",
        "2026-03-28",
        "2026-03-29",
        "2026-03-30",
        "2026-03-31",
        "2026-04-01",
        "2026-04-02"
      ],
      "forecast_start": 18,
      "series": [
        {
          "id": "observed",
          "name": "관측",
          "values": [
            111.21,
            111.49,
            111.75,
            112.12,
            112.69,
            113.45,
            114.31,
            115.11,
            115.67,
            115.83,
            115.56,
            114.91,
            114.07,
            113.24,
            112.63,
            112.37,
            112.45,
            112.81,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null
          ],
          "role": "observed"
        },
        {
          "id": "forecast",
          "name": "예측 중앙값",
          "values": [
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            113.3,
            113.76,
            114.11,
            114.33,
            114.51,
            114.77,
            115.23,
            115.94,
            116.88,
            117.88,
            118.78
          ],
          "role": "forecast"
        },
        {
          "id": "low-90",
          "name": "90% 하한",
          "values": [
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            112.3,
            112.43,
            112.45,
            112.34,
            112.19000000000001,
            112.11999999999999,
            112.25,
            112.63,
            113.24,
            113.91,
            114.48
          ]
        },
        {
          "id": "high-90",
          "name": "90% 상한",
          "values": [
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            114.3,
            115.09,
            115.77,
            116.32,
            116.83,
            117.42,
            118.21000000000001,
            119.25,
            120.52,
            121.85,
            123.08
          ]
        }
      ],
      "description": "예측 시작일 이후의 합성 90% 예측 구간"
    },
    {
      "kind": "line",
      "title": "예측 대상일과 이후 관측",
      "unit": "pt",
      "x": [
        "2026-03-05",
        "2026-03-06",
        "2026-03-07",
        "2026-03-08",
        "2026-03-09",
        "2026-03-10",
        "2026-03-11",
        "2026-03-12",
        "2026-03-13",
        "2026-03-14",
        "2026-03-15",
        "2026-03-16",
        "2026-03-17",
        "2026-03-18",
        "2026-03-19",
        "2026-03-20",
        "2026-03-21",
        "2026-03-22",
        "2026-03-23",
        "2026-03-24",
        "2026-03-25",
        "2026-03-26",
        "2026-03-27",
        "2026-03-28",
        "2026-03-29",
        "2026-03-30",
        "2026-03-31",
        "2026-04-01",
        "2026-04-02"
      ],
      "series": [
        {
          "id": "forecast",
          "name": "예측 중앙값",
          "values": [
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            113.3,
            113.76,
            114.11,
            114.33,
            114.51,
            114.77,
            115.23,
            115.94,
            116.88,
            117.88,
            118.78
          ],
          "role": "forecast"
        },
        {
          "id": "actual",
          "name": "이후 관측",
          "values": [
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            112.51,
            113.42,
            114.72,
            114.99,
            114.25,
            113.97,
            115.06,
            116.65,
            null,
            null,
            null
          ],
          "role": "actual"
        }
      ]
    }
  ]
}