From: Accurate intercensal estimates of energy access to track Sustainable Development Goal 7
Electricity access | Clean cooking fuel access | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
This study | Linear (EO) | Linear (NL only) | GPR (EO) | GBR (EO) | This study | Linear (EO) | Linear (NL only) | GPR (EO) | GBR (EO) | |
(a) Spatial validation | ||||||||||
Corr. | 0.81 (0.11) | 0.65 (0.12) | 0.67 (0.09) | 0.55* (0.32) | 0.79 (0.08) | 0.74 (0.23) | 0.71 (0.21) | 0.74 (0.16) | 0.33* (0.37) | 0.72 (0.15) |
Rank corr. | 0.74 (0.13) | 0.57 (0.19) | 0.65 (0.17) | 0.35 (0.56) | 0.71 (0.11) | 0.60 (0.26) | 0.49 (0.21) | 0.62 (0.18) | −0.05 (0.56) | 0.61 (0.20) |
RMSE (urban) | 0.22 (0.05) | 0.46 (0.21) | 0.48 (0.18) | 0.44 (0.21) | 0.27 (0.05) | 0.32 (0.13) | 0.24 (0.08) | 0.30 (0.11) | 0.37 (0.18) | 0.32 (0.13) |
RMSE (rural) | 0.20 (0.03) | 0.26 (0.06) | 0.19 (0.03) | 0.22 (0.06) | 0.18 (0.02) | 0.08 (0.01) | 0.08 (0.02) | 0.08 (0.01) | 0.07 (0.01) | 0.07 (0.01) |
(b) Temporal validation | ||||||||||
Corr. | 0.88 | 0.72 | 0.48* | 0.81 | 0.88 | 0.92 | 0.75 | 0.76 | 0.79 | 0.65 |
Rank corr. | 0.83 | 0.77 | 0.74 | 0.74 | 0.85 | 0.93 | 0.81 | 0.84 | 0.80 | 0.77 |
RMSE (urban) | 0.23 | 0.43 | 0.46 | 0.33 | 0.21 | 0.17 | 0.18 | 0.16 | 0.16 | 0.17 |
RMSE (rural) | 0.15 | 0.24 | 0.19 | 0.22 | 0.16 | 0.30 | 0.13 | 0.12 | 0.15 | 0.31 |