Table 10 Results of statistical criteria in evaluating the accuracy of the generated population grids under SSP2 in 2015 at prefecture-level and county-level.
Aggregated administrative levels | Scenarios | Criteria | |||
|---|---|---|---|---|---|
RMSE | %RMSE | MAE | MAD | ||
Population unit counts | |||||
Prefecture-level Cities | SSP2RCP4.5 | 974479.9 | 23.5 | 588863.2 | 326479.7 |
SSP2RCP6 | 731141.4 | 17.6 | 448259.4 | 255456.4 | |
SSP2RCP8.5 | 805875.8 | 19.4 | 490549.0 | 273707.3 | |
Counties | SSP2RCP4.5 | 247844.4 | 49.1 | 145966.7 | 82467.7 |
SSP2RCP6 | 196881.3 | 39 | 114538.7 | 63821.5 | |
SSP2RCP8.5 | 213098.9 | 42.2 | 125072.7 | 70489.5 | |
Population densities | |||||
Prefecture-level Cities | SSP2RCP4.5 | 156.5 | 49.2 | 53.1 | 18.3 |
SSP2RCP6 | 111.3 | 35.0 | 39.5 | 15.0 | |
SSP2RCP8.5 | 125.5 | 39.5 | 43.5 | 15.5 | |
Counties | SSP2RCP4.5 | 2112.8 | 240.7 | 496.3 | 37.4 |
SSP2RCP6 | 1669.5 | 190.2 | 391.1 | 29 | |
SSP2RCP8.5 | 1810.8 | 206.3 | 424.1 | 30.8 | |
