Table 2.
SDM of the randomised properties in the matching process.
| Property | SDM before matching | SDM after matching |
|---|---|---|
| Matched by M⋆, M⋆,bulge, and Σ5 | ||
| M⋆ | 0.5984 | 0.0466 |
| M⋆,bulge | 0.4864 | 0.0615 |
| Σ5 | −0.1092 | 0.0946 |
| Matched by M⋆, M⋆,bulge, Σ5, and Sérsic index of bulge | ||
| M⋆ | 0.5984 | −0.0128 |
| M⋆,bulge | 0.4864 | −0.0984 |
| Σ5 | −0.1092 | 0.0653 |
| Sérsic index of bulge | 0.3425 | 0.0177 |
| Matched by M⋆, M⋆,bulge, Σ5, and g − r | ||
| M⋆ | 0.5984 | 0.0401 |
| M⋆,bulge | 0.4864 | 0.0004 |
| Σ5 | −0.1092 | 0.0160 |
| g − r | 0.2476 | −0.0409 |
Notes. The SDM was obtained according to Eq. (11) (Stuart 2010; King et al. 2011). This measure serves as a means of evaluating the effectiveness of the matching process. A standardised difference of the means of less than 0.25 is an indicator of the effectiveness of this process (Rubin 2001). The SDM values are listed before and after the matching in each performance of this process for each of the properties.
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