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Table 5 Mean decrease in accuracy for conditional variable importance values and ranking (in parentheses) for the Population Density, Poverty, and Sub-Region variables in each model. Mean Average Error (MAE), Root Mean Squared Error (RMSE), and the Coefficient of Determination (R2) is reported for each model. Scenario 1 represents the time in minutes walking to the nearest health facility, while scenario 2 represents the time in minutes reduced to health facility using a bicycle instead of walking

From: Exploring country-wide equitable government health care facility access in Uganda

   Importance Average (rank) Accuracy Metrics  
HC Level Scenario Population Density Poverty Sub Region MAE RMSE R2 Mtry
HC II 1 1018 (1) 457 (2) 96 (3) 30.96 44.47 0.54 2
2 274 (1) 265 (2) 103 (3) 21.42 30.12 0.41 2
HC III 1 1346 (1) 988 (2) 221 (3) 39.18 53.64 0.54 2
2 183 (1) 174 (2) 50 (3) 17.6 23.22 0.45 2
HC IV 1 5904 (1) 2248 (2) 250 (3) 67.53 88.95 0.5 3
2 876 (1) 455 (2) 180 (3) 30.85 39.3 0.49 3
Hospital 1 13,657 (1) 5253 (2) 3208 (3) 105.77 139.37 0.52 3
2 2729 (1) 1356 (2) 850 (3) 51.43 68.74 0.49 3
RRH 1 68,744 (1) 17,289 (2) 12,533 (3) 158.22 215.48 0.69 3
2 13,658 (1) 4170 (2) 2733 (3) 84.42 111.87 0.63 2
NRH 1 104,105 (2) 37,625 (3) 377,319 (1) 297.31 426.44 0.9 2
2 29,039 (2) 10,445 (3) 95,322 (1) 122.68 170.74 0.93 3