| Variable | Description |
|---|---|
| In | Boarding passengers (Manual) |
| APC_In | Boarding passengers (Infrared) |
| Out | Alighting passengers (Manual) |
| APC_Out | Alighting passengers (Infrared) |
| Diff_APC_In | Boarding passenger difference (Infrared – Manual) |
| Diff_APC_Out | Alighting passenger difference (Infrared – Manual) |