| { | |
| "unit": "user session and calendar day", | |
| "development": "2026-04-01/2026-04-09 inclusive", | |
| "test": "2026-04-10/2026-04-14 inclusive", | |
| "new_users": [ | |
| "usr_0151", | |
| "usr_0152", | |
| "usr_0153", | |
| "usr_0154", | |
| "usr_0155", | |
| "usr_0156", | |
| "usr_0157", | |
| "usr_0158", | |
| "usr_0159", | |
| "usr_0160" | |
| ], | |
| "leakage_controls": [ | |
| "No random row split inside one labeled event", | |
| "User id, device id, IP, country, and raw hour are not model features", | |
| "History is computed only from earlier successful logins", | |
| "Threshold T is not fit on the test split", | |
| "New users are scored and reported separately" | |
| ] | |
| } |