Table 1 Temporal units
From: A comparison of methods for temporal analysis of aoristic crime
| Notation | Temporal unit |
|---|---|
| t start | The earliest time at which an offence could |
| have occurred. | |
| t end | The latest time at which an offence could |
| have occurred. | |
| t range | The period of time between tstart and tend. |
| t mid | The time halfway between tstart and tend. |
| t random | A random time between tstart and tend. |
| t actual | The actual time at which an offence occurred |
| (usually derived from CCTV). | |
| t known | The actual time at which an offence occurred |
| if that time was known at the | |
| time the crime was reported to police. | |
| t estimate | The estimated time (between tstart and tend) |
| that the offence occurred, as calculated by | |
| the various estimation methods. |