Figure 1.

Figure 2.

Figure 3.

Summary of the parameters obtained from applying clustering algorithms to the strongest signal location within the SMEAR Estonia footprint_ The averages and standard deviations of discrete variables have been rounded to the nearest integer_ The execution time is measured in seconds per iteration_
| Scaler | DBSCAN | HDBSCAN | ||
|---|---|---|---|---|
| Standard | Robust | Standard | Robust | |
| ϵ | 0.48 ± 0.23 | 0.48 ± 0.23 | 0.26 ±0.14 | 0.23 ± 0.14 |
| minPts | 25 ± 14 | 25 ± 14 | 31 ± 12 | 31 ± 12 |
| Clusters (min. max) | 3 ± 10 (0. 285) | 2 ± 6 (0. 293) | 3 ± 1 (0. 25) | 3 ± 1 (0. 20) |
| Outliers | 169 ± 256 | 107 ± 202 | 224 ± 126 | 209 ± 132 |
| (min. max) | (0.1274) | (0. 1195) | (3. 938) | (3. 963) |
| Silhouette score | 0.31 ± 0.20 | 0.36 ±0.19 | 0.27 ± 0.14 | 0.30 ±0.15 |
| Davies-Bouldin score | 3.38 ± 6.99 | 3.35 ± 8.22 | 3.03 ±5.11 | 2.8 ± 1.6 |
| Execution time in s/it | 8.3 | 7.3 | 6.5 | 5.6 |