Table 2. Details of the Kenya population maps produced, as well as existing products, and accuracy statistics calculated using the 43,733 EA census counts.
Surface | Administrative level of input census data | Ancillary data types used | Native spatial resolution | RMSE (no. people) | Standard error | Adjusted r2 |
EApop1 | 5 | - | 100 m | 592.1475 | 530.64 | 0.608 |
EApop2 | 5 | settlements | 100 m | 1097.754 | 971.51 | 0.365 |
EApop3 | 5 | settlements, land cover | 100 m | 574.1875 | 509.7 | 0.625 |
APD | 3 | roads, rail, rivers, urban centers | 2.5 minutes | 1329.88 | 1298.07 | 0.276 |
GRUMP | 5 | urban extents | 30 arc sec | 703.9369 | 606.62 | 0.507 |
GPW3 | 5 | - | 2.5 minutes | 1047.2101 | 904.44 | 0.411 |
LANDSCAN | 3 | roads, urban extents, elevation, slope, land cover | 30 arc sec | 1484.91 | 1365.19 | 0.232 |