Study metrics and optimisations
| Metrics definition | |
| Timeall | Average travel time to the nearest hospital in the population |
| Timepoor | Average travel time to the nearest hospital for the poorest 10% of pixels |
| Timerich | Average travel time to the nearest hospital for the richest 10% of pixels |
| Optimisations | |
| Efficiency | min(timeall) |
| Minimise overall travel time to the nearest hospital in the population | |
| Equity gap | min(abs(timepoor – timerich)) |
| Minimise absolute difference between travel time to the nearest hospital for the poorest and for the richest decile | |