Table 3 Pearson (\(\rho\)) and Spearman (R) correlation coefficient between centrality measurement of original and simplified networks
From: A road network simplification algorithm that preserves topological properties
Simplification | Davis | Portales | Petaluma | |||
|---|---|---|---|---|---|---|
\(C^B\) | \(C^I\) | \(C^B\) | \(C^I\) | \(C^B\) | \(C^I\) | |
Proposed, with estimation | \(\rho =0.947\) \(R=0.939\) | \(\rho =0.978\) \(R=0.933\) | \(\rho =0.761\) \(R=0.845\) | \(\rho =0.998\) \(R=0.997\) | \(\rho =0.931\) \(R=0.907\) | \(\rho =0.947\) \(R=0.891\) |
Proposed | \(\rho =0.916\) \(R=0.895\) | \(\rho =0.928\) \(R=0.893\) | \(\rho =0.735\) \(R=0.831\) | \(\rho =0.980\) \(R=0.964\) | \(\rho =0.869\) \(R=0.837\) | \(\rho =0.897\) \(R=0.833\) |
W/o res. roads | \(\rho =0.817\) \(R=0.798\) | \(\rho =0.666\) \(R=0.739\) | \(\rho =0.593\) \(R=0.687\) | \(\rho =0.560\) \(R=0.523\) | \(\rho =0.857\) \(R=0.853\) | \(\rho =0.382\) \(R=0.513\) |