{
  "notice": "교육용 생성 자료. A·B·C는 서로 독립된 예제이며 실제 고객·기업의 관측치가 아니다. A·B는 관찰 기간 안의 관련 이벤트가 완전히 기록되었다고 가정한다. C는 집계표이며 개별 이벤트를 재구성한 자료가 아니다.",
  "A": {
    "timezone": "Asia/Seoul",
    "timeBasis": "exact elapsed 24-hour windows, no rounding",
    "observedUntilExclusive": "2026-08-22T10:00:00+09:00",
    "users": [
      {
        "id": "u01",
        "signupAt": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "u02",
        "signupAt": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "u03",
        "signupAt": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "u04",
        "signupAt": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "u05",
        "signupAt": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "u06",
        "signupAt": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "u07",
        "signupAt": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "u08",
        "signupAt": "2026-08-01T10:00:00+09:00"
      }
    ],
    "events": [
      {
        "id": "a1",
        "userId": "u01",
        "name": "signup_completed",
        "at": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "a2",
        "userId": "u02",
        "name": "signup_completed",
        "at": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "a3",
        "userId": "u03",
        "name": "signup_completed",
        "at": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "a4",
        "userId": "u04",
        "name": "signup_completed",
        "at": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "a5",
        "userId": "u05",
        "name": "signup_completed",
        "at": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "a6",
        "userId": "u06",
        "name": "signup_completed",
        "at": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "a7",
        "userId": "u07",
        "name": "signup_completed",
        "at": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "a8",
        "userId": "u08",
        "name": "signup_completed",
        "at": "2026-08-01T10:00:00+09:00"
      },
      {
        "id": "a9",
        "userId": "u01",
        "name": "review_completed",
        "at": "2026-08-01T01:00:00.000Z"
      },
      {
        "id": "a10",
        "userId": "u01",
        "name": "review_completed",
        "at": "2026-08-08T01:00:00.000Z"
      },
      {
        "id": "a11",
        "userId": "u01",
        "name": "review_completed",
        "at": "2026-08-09T01:00:00.000Z"
      },
      {
        "id": "a12",
        "userId": "u02",
        "name": "review_completed",
        "at": "2026-08-01T01:00:00.000Z"
      },
      {
        "id": "a13",
        "userId": "u02",
        "name": "review_completed",
        "at": "2026-08-07T01:00:00.000Z"
      },
      {
        "id": "a14",
        "userId": "u02",
        "name": "review_completed",
        "at": "2026-08-09T01:00:00.000Z"
      },
      {
        "id": "a15",
        "userId": "u03",
        "name": "review_completed",
        "at": "2026-08-01T01:00:00.000Z"
      },
      {
        "id": "a16",
        "userId": "u03",
        "name": "review_completed",
        "at": "2026-08-10T01:00:00.000Z"
      },
      {
        "id": "a17",
        "userId": "u04",
        "name": "review_completed",
        "at": "2026-08-01T01:00:00.000Z"
      },
      {
        "id": "a18",
        "userId": "u04",
        "name": "review_completed",
        "at": "2026-08-15T01:00:00.000Z"
      },
      {
        "id": "a19",
        "userId": "u05",
        "name": "review_completed",
        "at": "2026-08-08T01:00:00.000Z"
      },
      {
        "id": "a20",
        "userId": "u05",
        "name": "review_completed",
        "at": "2026-08-08T13:00:00.000Z"
      },
      {
        "id": "a21",
        "userId": "u06",
        "name": "review_completed",
        "at": "2026-08-01T01:00:00.000Z"
      },
      {
        "id": "a22",
        "userId": "u07",
        "name": "review_completed",
        "at": "2026-08-01T01:00:00.000Z"
      },
      {
        "id": "a23",
        "userId": "u07",
        "name": "review_completed",
        "at": "2026-08-14T01:00:00.000Z"
      },
      {
        "id": "a24",
        "userId": "u06",
        "name": "app_open",
        "at": "2026-08-08T01:00:00.000Z"
      },
      {
        "id": "a25",
        "userId": "u08",
        "name": "app_open",
        "at": "2026-08-08T01:00:00.000Z"
      }
    ]
  },
  "B": {
    "timezone": "Asia/Seoul",
    "timeBasis": "exact elapsed 24-hour windows, no rounding",
    "observedUntilExclusive": "2026-09-10T10:00:00+09:00",
    "users": [
      {
        "id": "b01",
        "signupAt": "2026-09-01T10:00:00+09:00"
      },
      {
        "id": "b02",
        "signupAt": "2026-09-01T10:00:00+09:00"
      },
      {
        "id": "b03",
        "signupAt": "2026-09-01T10:00:00+09:00"
      },
      {
        "id": "b04",
        "signupAt": "2026-09-01T10:00:00+09:00"
      },
      {
        "id": "b05",
        "signupAt": "2026-09-06T10:00:00+09:00"
      },
      {
        "id": "b06",
        "signupAt": "2026-09-07T10:00:00+09:00"
      }
    ],
    "events": [
      {
        "id": "b1",
        "userId": "b01",
        "name": "signup_completed",
        "at": "2026-09-01T10:00:00+09:00"
      },
      {
        "id": "b2",
        "userId": "b02",
        "name": "signup_completed",
        "at": "2026-09-01T10:00:00+09:00"
      },
      {
        "id": "b3",
        "userId": "b03",
        "name": "signup_completed",
        "at": "2026-09-01T10:00:00+09:00"
      },
      {
        "id": "b4",
        "userId": "b04",
        "name": "signup_completed",
        "at": "2026-09-01T10:00:00+09:00"
      },
      {
        "id": "b5",
        "userId": "b05",
        "name": "signup_completed",
        "at": "2026-09-06T10:00:00+09:00"
      },
      {
        "id": "b6",
        "userId": "b06",
        "name": "signup_completed",
        "at": "2026-09-07T10:00:00+09:00"
      },
      {
        "id": "b7",
        "userId": "b01",
        "name": "review_completed",
        "at": "2026-09-08T12:00:00+09:00"
      },
      {
        "id": "b8",
        "userId": "b02",
        "name": "review_completed",
        "at": "2026-09-08T15:00:00+09:00"
      },
      {
        "id": "b9",
        "userId": "b03",
        "name": "review_completed",
        "at": "2026-09-08T20:00:00+09:00"
      },
      {
        "id": "b10",
        "userId": "b05",
        "name": "review_completed",
        "at": "2026-09-08T10:00:00+09:00"
      },
      {
        "id": "b11",
        "userId": "b06",
        "name": "review_completed",
        "at": "2026-09-09T10:00:00+09:00"
      }
    ]
  },
  "C": {
    "unit": "person",
    "returnDefinition": "review_completed during [signup+7d, signup+8d)",
    "segmentDefinition": "weekly reflection habit reported at signup, before intervention",
    "observedUntilExclusive": "2026-09-01T10:00:00+09:00",
    "beforeSignupAt": "2026-08-01T10:00:00+09:00",
    "afterSignupAt": "2026-08-15T10:00:00+09:00",
    "before": [
      {
        "segment": "existing_habit",
        "users": 50,
        "returned": 40
      },
      {
        "segment": "no_habit",
        "users": 150,
        "returned": 30
      }
    ],
    "after": [
      {
        "segment": "existing_habit",
        "users": 150,
        "returned": 105
      },
      {
        "segment": "no_habit",
        "users": 50,
        "returned": 5
      }
    ]
  }
}