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Table 2 Spearman correlation coefficients (in absolute values) between the four methods, all clusters from all 12 countries aggregated

From: Spatial accessibility to health facilities in Sub-Saharan Africa: comparing existing models with survey-based perceived accessibility

 

Euclidean distance

Cost-distance motorized

Cost-distance walking

Kernel density

Euclidean distance

1

0.844

0.966

0.553

Cost-distance motorized

 

1

0.895

0.607

Cost-distance walking

  

1

0.604

Kernel density

   

1