Table 2 Results of distance approximations
Set of | Original d (m) | Approximated d (m) | Relative error | Approximated d (m) | Relative error |
|---|---|---|---|---|---|
addresses | regular grid | regular grid | random grid | random grid | |
\(\{P, Q_1\}\) | 38,539 | 39,081 | \(-0.014\) | 44,326 | \(-0.131\) |
\(\{P, Q_2\}\) | 42,883 | 42,573 | 0.007 | 40,108 | 0.069 |
\(\{P, Q_3\}\) | 45,367 | 45,918 | \(-0.012\) | 47,358 | \(-0.042\) |