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Table 5.
Precision, recall, and F1-score metrics per spectral type as determined by the best models of RF, PRF, and our method applied to a test sample of 1599 stars.
| Class | RF |
PRF |
KDE-RF |
Test sample | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Precision | Recall | F1-score | Precision | Recall | F1-score | Precision | Recall | F1-score | ||
| O2-O6 | 0.93 | 0.97 | 0.95 | 0.95 | 0.97 | 0.96 | 0.93 | 0.97 | 0.95 | 58 |
| O7 | 0.81 | 0.71 | 0.76 | 0.83 | 0.71 | 0.77 | 0.8 | 0.69 | 0.74 | 35 |
| O8 | 0.81 | 0.79 | 0.8 | 0.82 | 0.74 | 0.78 | 0.78 | 0.82 | 0.79 | 38 |
| O9 | 0.87 | 0.9 | 0.89 | 0.84 | 0.9 | 0.87 | 0.88 | 0.9 | 0.89 | 90 |
| B0 | 0.79 | 0.77 | 0.78 | 0.81 | 0.82 | 0.82 | 0.77 | 0.8 | 0.79 | 111 |
| B1 | 0.6 | 0.62 | 0.61 | 0.7 | 0.6 | 0.64 | 0.61 | 0.64 | 0.62 | 47 |
| B2 | 0.6 | 0.61 | 0.61 | 0.73 | 0.48 | 0.58 | 0.59 | 0.67 | 0.63 | 67 |
| B3-B4 | 0.72 | 0.73 | 0.73 | 0.7 | 0.74 | 0.72 | 0.73 | 0.74 | 0.73 | 282 |
| B5-B7 | 0.65 | 0.69 | 0.67 | 0.61 | 0.74 | 0.67 | 0.68 | 0.63 | 0.65 | 375 |
| B8 | 0.52 | 0.5 | 0.51 | 0.56 | 0.34 | 0.42 | 0.5 | 0.58 | 0.54 | 195 |
| B9 | 0.73 | 0.69 | 0.71 | 0.71 | 0.72 | 0.71 | 0.72 | 0.67 | 0.7 | 301 |
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