Open Access
Table 19.
Combined and normalised (rescaled to add to 100) mean absolute SHAP values for observed features from the three models using 121 spectroscopically confirmed AGNs at high redshift values (z ≥ 4).
| AGN-galaxy model | |||||
|---|---|---|---|---|---|
| Feature | SHAP value | Feature | SHAP value | Feature | SHAP value |
| W1_W2 | 32.458 | i_y | 5.086 | z_y | 1.591 |
| g_r | 11.583 | y_W1 | 4.639 | H_W3 | 1.048 |
| W1_W3 | 8.816 | band_num | 4.050 | W4mag | 0.514 |
| r_i | 7.457 | y_W2 | 3.228 | H_K | 0.466 |
| i_z | 6.741 | z_W2 | 2.348 | W3_W4 | 0.466 |
| r_J | 6.613 | y_J | 1.718 | J_H | 0.178 |
| Radio detection model | |||||
| Feature | SHAP value | Feature | SHAP value | Feature | SHAP value |
| g_i | 14.120 | z_W1 | 6.751 | W4mag | 2.691 |
| W2_W3 | 13.201 | r_i | 5.577 | band_num | 2.661 |
| g_r | 12.955 | r_z | 5.161 | K_W4 | 0.939 |
| y_J | 8.224 | i_z | 4.512 | H_K | 0.719 |
| K_W3 | 7.441 | z_y | 4.121 | J_H | 0.190 |
| W1_W2 | 6.874 | y_W1 | 3.864 | ||
| Redshift prediction model | |||||
| Feature | SHAP value | Feature | SHAP value | Feature | SHAP value |
| g_r | 32.594 | z_y | 3.557 | W4mag | 1.639 |
| y_W1 | 20.770 | y_J | 3.010 | g_W3 | 1.479 |
| W2_W3 | 12.462 | band_num | 2.595 | K_W3 | 0.853 |
| W1_W2 | 5.692 | i_y | 2.381 | K_W4 | 0.451 |
| r_i | 4.381 | H_K | 2.230 | J_H | 0.146 |
| r_z | 3.755 | i_z | 2.005 | ||
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