Table 4 Privacy-preserving Matérn cluster point process model parameter estimates based on sanitized locations in the South Korea location data (\(m\!=\!3\))
| Â | Estimate (95% CI) | ||||
|---|---|---|---|---|---|
| Â | Original | \(\epsilon =5\) | \(\epsilon =2\) | \(\epsilon =1\) | \(\epsilon =0.5\) |
\(\beta _0\) | -64.2 (-153.5, 25.1) | -65.1 (-157.0, 26.9) | -63.0 (-147.0, 21.0) | -63.8 (-140.6, 13.0) | -57.5 (-129.8, 14.7) |
\(\beta _1\) | 0.51 (-0.17, 1.19) | 0.52 (-0.18, 1.21) | 0.50 (-0.14, 1.14) | 0.50 (-0.08, 1.08) | 0.44 (-0.10, 0.99) |
\(\beta _2\) | 0.03 (-0.50, 0.56) | 0.03 (-0.52, 0.59) | 0.03 (-0.48, 0.54) | 0.05 (-0.42, 0.51) | 0.07 (-0.39, 0.53) |