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Table 3
Root mean square errors (RMSE) of the GP and kNN models for the prediction of Teff, applied to the compilations of empirical spectra.
| Number of transits | 28 | 70 | ||||
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| G | 15 | 18 | 20 | 15 | 18 | 20 |
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| GP-G20 | 257 (192) | 260 (194) | 266 (201) | 256 (191) | 257 (192) | 260 (196) |
| PCA-GP-G20 | 266 (199) | 270 (203) | 281 (216) | 264 (197) | 266 (200) | 272 (207) |
| kNN-G20 | 209 | 210 | 213 | 207 | 209 | 213 |
| PCA-kNN-G20 | 211 | 213 | 215 | 209 | 207 | 210 |
| Bayes BT-Settl | 230.5 | 235.7 | 239.0 | 243.4 | 241.6 | 239.7 |
| Bayes COND/DUSTY | 252.6 | 252.3 | 255.0 | 257.5 | 257.6 | 258.0 |
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