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. 2007 Dec 12;2(12):e1298. doi: 10.1371/journal.pone.0001298

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