真实原生产物回读预览 · 原创合成材料 · 不代表第三方软件界面
{
"first_completed_month": {
"A": "2026-07",
"B": "2026-08",
"C": "2026-07"
},
"matrix": [
{
"cohort": "2026-07",
"month_index": 0,
"denominator": 2,
"active_customers": 2,
"customer_ids": [
"A",
"C"
],
"retention": "1"
},
{
"cohort": "2026-07",
"month_index": 1,
"denominator": 2,
"active_customers": 1,
"customer_ids": [
"A"
],
"retention": "0.5"
},
{
"cohort": "2026-07",
"month_index": 2,
"denominator": 2,
"active_customers": 1,
"customer_ids": [
"C"
],
"retention": "0.5"
},
{
"cohort": "2026-08",
"month_index": 0,
"denominator": 1,
"active_customers": 1,
"customer_ids": [
"B"
],
"retention": "1"
},
{
"cohort": "2026-08",
"month_index": 1,
"denominator": 1,
"active_customers": 0,
"customer_ids": [],
"retention": "0"
}
]
}| 模型结构化事实与原始材料一致 | 通过 |
| 取消首单不决定客户B所属cohort | 通过 |
| 七月cohort分母始终两人 | 通过 |
| 月份去重后同客户只算一次 | 通过 |