Open Access
Table 2
Performed experiments. From left to right: experiment code, dimensionality of the UMAP projection of the autoencoded embeddings (see text), DBSCAN ϵ value, Calinski-Harabasz index, Davies-Bouldin index, number of clusters, average cluster size, and number of outliers.
| Experiment | #UMAP dims | ϵ | CHI | DBI | #Cluster | < Size > | #Outlier |
|---|---|---|---|---|---|---|---|
| A1 | 4 | 0.30 | 4.15 | 2.27 | 4 | 7.0 | 150 |
| A2 | 4 | 0.35 | 4.58 | 2.30 | 9 | 7.0 | 115 |
| A3 | 4 | 0.40 | 6.58 | 2.59 | 7 | 14.3 | 78 |
| A4 | 4 | 0.45 | 8.79 | 2.98 | 5 | 24.8 | 54 |
| B1 | 6 | 0.30 | 5.03 | 2.06 | 2 | 7.5 | 163 |
| B2 | 6 | 0.35 | 4.70 | 2.50 | 10 | 7.8 | 100 |
| B3 | 6 | 0.40 | 6.39 | 2.65 | 8 | 11.9 | 83 |
| B4 | 6 | 0.45 | 7.79 | 2.84 | 7 | 17.4 | 56 |
| C1 | 8 | 0.30 | 4.99 | 2.10 | 3 | 7.3 | 156 |
| C2 | 8 | 0.35 | 5.00 | 2.36 | 8 | 7.9 | 115 |
| C3 | 8 | 0.40 | 5.95 | 2.73 | 8 | 11.5 | 86 |
| C4 | 8 | 0.45 | 12.2 | 3.28 | 3 | 36.3 | 69 |
| D1 | 10 | 0.30 | 4.68 | 2.20 | 3 | 8.0 | 154 |
| D2 | 10 | 0.35 | 4.66 | 2.43 | 8 | 8.0 | 114 |
| D3 | 10 | 0.40 | 7.06 | 2.83 | 7 | 14.4 | 77 |
| D4 | 10 | 0.45 | 7.58 | 2.83 | 7 | 18.9 | 46 |
| E1 | 12 | 0.30 | 5.54 | 2.11 | 3 | 8.0 | 154 |
| E2 | 12 | 0.35 | 5.16 | 2.51 | 6 | 8.5 | 127 |
| E3 | 12 | 0.40 | 6.29 | 2.65 | 8 | 11.8 | 84 |
| E4 | 12 | 0.45 | 8.24 | 2.86 | 6 | 20.0 | 58 |
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