{
  "source": "examples/events.csv",
  "period": "month",
  "entity": "user",
  "active_definition": "any event",
  "as_of": "2026-10-27",
  "last_complete_period": "2026-09",
  "cohorts": [
    {
      "cohort": "2025-11",
      "size": 11,
      "retained": [
        11,
        3,
        3,
        3,
        2,
        2,
        2,
        2,
        1,
        1,
        1
      ],
      "rates": [
        1,
        0.2727,
        0.2727,
        0.2727,
        0.1818,
        0.1818,
        0.1818,
        0.1818,
        0.0909,
        0.0909,
        0.0909
      ]
    },
    {
      "cohort": "2025-12",
      "size": 13,
      "retained": [
        13,
        7,
        6,
        6,
        6,
        6,
        5,
        5,
        5,
        5
      ],
      "rates": [
        1,
        0.5385,
        0.4615,
        0.4615,
        0.4615,
        0.4615,
        0.3846,
        0.3846,
        0.3846,
        0.3846
      ]
    },
    {
      "cohort": "2026-01",
      "size": 13,
      "retained": [
        13,
        7,
        7,
        6,
        6,
        6,
        6,
        4,
        3
      ],
      "rates": [
        1,
        0.5385,
        0.5385,
        0.4615,
        0.4615,
        0.4615,
        0.4615,
        0.3077,
        0.2308
      ]
    },
    {
      "cohort": "2026-02",
      "size": 10,
      "retained": [
        10,
        6,
        4,
        3,
        3,
        2,
        1,
        1
      ],
      "rates": [
        1,
        0.6,
        0.4,
        0.3,
        0.3,
        0.2,
        0.1,
        0.1
      ]
    },
    {
      "cohort": "2026-03",
      "size": 8,
      "retained": [
        8,
        6,
        5,
        5,
        4,
        4,
        4
      ],
      "rates": [
        1,
        0.75,
        0.625,
        0.625,
        0.5,
        0.5,
        0.5
      ]
    },
    {
      "cohort": "2026-04",
      "size": 10,
      "retained": [
        10,
        6,
        6,
        6,
        5,
        5
      ],
      "rates": [
        1,
        0.6,
        0.6,
        0.6,
        0.5,
        0.5
      ]
    },
    {
      "cohort": "2026-05",
      "size": 12,
      "retained": [
        12,
        6,
        6,
        5,
        5
      ],
      "rates": [
        1,
        0.5,
        0.5,
        0.4167,
        0.4167
      ]
    },
    {
      "cohort": "2026-06",
      "size": 9,
      "retained": [
        9,
        7,
        5,
        5
      ],
      "rates": [
        1,
        0.7778,
        0.5556,
        0.5556
      ]
    },
    {
      "cohort": "2026-07",
      "size": 8,
      "retained": [
        8,
        4,
        3
      ],
      "rates": [
        1,
        0.5,
        0.375
      ]
    },
    {
      "cohort": "2026-08",
      "size": 12,
      "retained": [
        12,
        9
      ],
      "rates": [
        1,
        0.75
      ]
    },
    {
      "cohort": "2026-09",
      "size": 11,
      "retained": [
        11
      ],
      "rates": [
        1
      ]
    }
  ],
  "average_curve": [
    {
      "period": 0,
      "rate": 1,
      "cohorts": 11
    },
    {
      "period": 1,
      "rate": 0.5755,
      "cohorts": 10
    },
    {
      "period": 2,
      "rate": 0.4787,
      "cohorts": 9
    },
    {
      "period": 3,
      "rate": 0.4535,
      "cohorts": 8
    },
    {
      "period": 4,
      "rate": 0.4026,
      "cohorts": 7
    },
    {
      "period": 5,
      "rate": 0.3846,
      "cohorts": 6
    },
    {
      "period": 6,
      "rate": 0.3273,
      "cohorts": 5
    },
    {
      "period": 7,
      "rate": 0.2553,
      "cohorts": 4
    },
    {
      "period": 8,
      "rate": 0.2432,
      "cohorts": 3
    },
    {
      "period": 9,
      "rate": 0.25,
      "cohorts": 2
    },
    {
      "period": 10,
      "rate": 0.0909,
      "cohorts": 1
    }
  ],
  "flattens_at": null,
  "best_period1": {
    "cohort": "2026-06",
    "rate": 0.7778
  },
  "worst_period1": {
    "cohort": "2025-11",
    "rate": 0.2727
  },
  "skipped_rows": 0
}