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Table 4
Statistical impact of different AL strategies on classification metrics compared to random sampling, where the p-value is calculated for the Wilcoxon’s signed-rank test.
| Strategy | AUC | MCC | Sensitivity | Specificity | ||||
|---|---|---|---|---|---|---|---|---|
| p-value | Cohen’s d | p-value | Cohen’s d | p-value | Cohen’s d | p-value | Cohen’s d | |
| Teff: Non-committee strategies | ||||||||
| Entropy | 2 × 10−6 | 2.09 | 2.15 × 10−2 | −0.53 | 2 × 10−6 | 1.90 | 1.21 × 10−3 | −0.75 |
| Margin | 5.86 × 10−4 | 0.81 | 3.6 × 10−5 | 1.19 | 4 × 10−6 | 1.49 | 8.2 × 10−5 | 1.11 |
| Uncertainty | 2 × 10−6 | 2.27 | 6.22 × 10−1 | −0.17 | 2 × 10−6 | 2.22 | 5.32 × 102 | −0.46 |
| Teff: Committee strategies | ||||||||
| Consensus | 2 × 10−6 | 1.67 | 8.51 × 10−4 | −0.87 | 2 × 10−6 | 2.02 | 3.22 × 10−4 | −0.91 |
| Disagreement | 6 × 10−6 | 1.33 | 7.30 × 10−3 | −0.52 | 3.22 × 10−4 | 0.92 | 7.30 × 10−3 | −0.59 |
| Vote | 4 × 10−6 | 1.52 | 1 . 05 × 10−4 | 0.99 | 2 × 10−6 | 2.22 | 3.6 × 10−5 | 1.04 |
| log ɡ: Non-committee strategies | ||||||||
| Entropy | 3.62 × 10−2 | −0.53 | 6.48 × 10−1 | −0.11 | 1.89 × 10−1 | 0.34 | 6.74 × 10−1 | −0.24 |
| Margin | 2.15 × 10−2 | 0.56 | 3.95 × 10−4 | 1.18 | 1.05 × 10−4 | 1.16 | 3.15 × 10−3 | 0.85 |
| Uncertainty | 7.56 × 10−1 | −0.13 | 2.02 × 10−1 | 0.26 | 1.53 × 10−2 | 0.67 | 3.88 × 10−1 | 0.10 |
| log ɡ: Committee strategies | ||||||||
| Consensus | 2.31 × 10−1 | −0.30 | 2.02 × 10−1 | −0.45 | 2.45 × 10−1 | 0.22 | 3.62 × 10−2 | −0.65 |
| Disagreement | 3.49 × 10−1 | −0.11 | 1.89 × 10−1 | −0.25 | 6.74 × 10−1 | −0.03 | 2.15 × 10−2 | −0.488 |
| Vote | 4.8 × 10−5 | 1.36 | 4.8 × 10−5 | 1 . 41 | 4 × 10−6 | 1.73 | 1.21 × 10−3 | 1.04 |
| [Fe/H]: Non-committee strategies | ||||||||
| Entropy | 1.72 × 10−2 | −0.50 | 5.83 × 10−2 | −0.61 | 5.32 × 10−2 | −0.31 | 2.15 × 10−2 | −0.75 |
| Margin | 2.45 × 10−1 | −0.25 | 2 × 10−6 | 2.28 | 8.51 × 10−4 | 0.58 | 4 × 10−6 | 1.61 |
| Uncertainty | 7.30 × 10−3 | −0.46 | 1.33 × 10−1 | −0.49 | 8.70 × 10−2 | −0.26 | 3.62 × 10−2 | −0.63 |
| [Fe/H]: Committee strategies | ||||||||
| Consensus | 7.30 × 10−3 | −0.52 | 2.10 × 10−4 | −1.09 | 8.26 × 10−2 | −0.42 | 2.61 × 10−4 | −0.94 |
| Disagreement | 4.09 × 10−1 | −0.14 | 3.15 × 10−3 | −0.75 | 7.01 × 10−1 | −0.15 | 1.53 × 10−2 | −0.62 |
| Vote | 2.94 × 10−1 | −0.16 | 9.27 × 10−1 | 0.05 | 2.61 × 10−1 | 0.18 | 2.94 × 10−1 | 0.17 |
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