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Table 4.
Comparison between the photo-z evaluation on all objects from the spectroscopic sample with available SDSS photo-zs.
| No k-fold in MDN; IGMM | Restriction on | Number of | Bias | rms | 3σ outliers |
|---|---|---|---|---|---|
| implementation | objects | objects | |||
| SDSS griz photo-z | None | 38 632 | 0.0001 ± 0.0008 | 0.0458 ± 0.0483 | (0.73 ± 0.22)% |
| MDN spec. class + griz, W1, W2 | None | 38 632 | 0.0018 ± 0.0014 | 0.0478 ± 0.0384 | (0.49 ± 0.04)% |
| SDSS griz photo-z | weightmax > 0.8 | 18 355 | −0.0038 ± 0.0040 | 0.0394 ± 0.0413 | (0.46 ± 0.19)% |
| MDN spec. class + griz, W1, W2 | weightmax > 0.8 | 18 355 | −0.0002 ± 0.0009 | 0.0389 ± 0.0318 | (0.55 ± 0.26)% |
| k-fold in MDN; IGMM | Restriction on | Number of | Bias | rms | 3σ outliers |
| implementation | objects | objects | |||
| SDSS griz photo-z | None | 38 632 | 0.0001 ± 0.0020 | 0.0662 ± 0.0072 | (0.79 ± 0.22)% |
| MDN spec. class + griz, W1, W2 | None | 38 632 | 0.0027 ± 0.0031 | 0.0724 ± 0.0139 | (0.45 ± 0.10) % |
| SDSS griz photo-z | weightmax > 0.8 | 23 908 | −0.0028 ± 0.0029 | 0.0506 ± 0.0096 | (0.33 ± 0.14)% |
| MDN spec. class + griz, W1, W2 | weightmax > 0.8 | 23 908 | 0.00011 ± 0.0042 | 0.0458 ± 0.0069 | (0.28 ± 0.07)% |
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