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Table 2
Average values of the scores and the mean absolute errors (M.A.E.) for Teff and [Fe/H] of the test dataset after 100 runs at each resolution (using the “ridge” regression).
| Resolution | r2 score | E.V. score | M.A.E. Teff | M.A.E. [Fe/H] |
|---|---|---|---|---|
| [K] | [dex] | |||
| real 115 000 | 0.93 | 0.94 | 27 | 0.037 |
| conv. 110 000 | 0.93 | 0.94 | 28 | 0.038 |
| conv. 94 600 | 0.93 | 0.93 | 28 | 0.039 |
| conv. 75 000 | 0.93 | 0.93 | 29 | 0.041 |
| conv. 48 000 | 0.92 | 0.93 | 30 | 0.043 |
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