Performance of the proposed scheme on 23 963 test spectra from LAMOST (10 000 LAMOST spectra for training, Section 2.2).
| Method . | log Teff (Teff) . | log g . | [Fe/H] . | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Parameter . | MAE . | ME . | SD . | MAE . | ME . | SD . | MAE . | ME . | SD . |
| RBFNN | 0.0070(91.14) | 6.75 × 10−5(2.37) | 0.0099(131.36) | 0.1664 | 0.0109 | 0.2753 | 0.1197 | −0.0038 | 0.1767 |
| SVRG | 0.0074(95.37) | 1.27 × 10−4(4.30) | 0.0106(141.62) | 0.1528 | −0.0008 | 0.2102 | 0.1146 | −0.0112 | 0.1528 |
| KNNR | 0.0085(111.80) | 4.47 × 10−4(10.08) | 0.0126(173.66) | 0.1934 | 0.0167 | 0.2730 | 0.1625 | −0.0154 | 0.2151 |
| LSR | 0.0082(106.51) | 6.67 × 10−4(11.46) | 0.0117(161.83) | 0.2218 | 0.0173 | 0.3404 | 0.1312 | −0.0143 | 0.1807 |
| SVRl | 0.0081(105.73) | 1.89 × 10−4(5.44) | 0.0116(159.83) | 0.2070 | −0.0124 | 0.3145 | 0.1311 | −0.0222 | 0.1806 |
| Method . | log Teff (Teff) . | log g . | [Fe/H] . | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Parameter . | MAE . | ME . | SD . | MAE . | ME . | SD . | MAE . | ME . | SD . |
| RBFNN | 0.0070(91.14) | 6.75 × 10−5(2.37) | 0.0099(131.36) | 0.1664 | 0.0109 | 0.2753 | 0.1197 | −0.0038 | 0.1767 |
| SVRG | 0.0074(95.37) | 1.27 × 10−4(4.30) | 0.0106(141.62) | 0.1528 | −0.0008 | 0.2102 | 0.1146 | −0.0112 | 0.1528 |
| KNNR | 0.0085(111.80) | 4.47 × 10−4(10.08) | 0.0126(173.66) | 0.1934 | 0.0167 | 0.2730 | 0.1625 | −0.0154 | 0.2151 |
| LSR | 0.0082(106.51) | 6.67 × 10−4(11.46) | 0.0117(161.83) | 0.2218 | 0.0173 | 0.3404 | 0.1312 | −0.0143 | 0.1807 |
| SVRl | 0.0081(105.73) | 1.89 × 10−4(5.44) | 0.0116(159.83) | 0.2070 | −0.0124 | 0.3145 | 0.1311 | −0.0222 | 0.1806 |
Notes. The unit for Teff is K; The unit for log Teff is log(K).
Performance of the proposed scheme on 23 963 test spectra from LAMOST (10 000 LAMOST spectra for training, Section 2.2).
| Method . | log Teff (Teff) . | log g . | [Fe/H] . | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Parameter . | MAE . | ME . | SD . | MAE . | ME . | SD . | MAE . | ME . | SD . |
| RBFNN | 0.0070(91.14) | 6.75 × 10−5(2.37) | 0.0099(131.36) | 0.1664 | 0.0109 | 0.2753 | 0.1197 | −0.0038 | 0.1767 |
| SVRG | 0.0074(95.37) | 1.27 × 10−4(4.30) | 0.0106(141.62) | 0.1528 | −0.0008 | 0.2102 | 0.1146 | −0.0112 | 0.1528 |
| KNNR | 0.0085(111.80) | 4.47 × 10−4(10.08) | 0.0126(173.66) | 0.1934 | 0.0167 | 0.2730 | 0.1625 | −0.0154 | 0.2151 |
| LSR | 0.0082(106.51) | 6.67 × 10−4(11.46) | 0.0117(161.83) | 0.2218 | 0.0173 | 0.3404 | 0.1312 | −0.0143 | 0.1807 |
| SVRl | 0.0081(105.73) | 1.89 × 10−4(5.44) | 0.0116(159.83) | 0.2070 | −0.0124 | 0.3145 | 0.1311 | −0.0222 | 0.1806 |
| Method . | log Teff (Teff) . | log g . | [Fe/H] . | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Parameter . | MAE . | ME . | SD . | MAE . | ME . | SD . | MAE . | ME . | SD . |
| RBFNN | 0.0070(91.14) | 6.75 × 10−5(2.37) | 0.0099(131.36) | 0.1664 | 0.0109 | 0.2753 | 0.1197 | −0.0038 | 0.1767 |
| SVRG | 0.0074(95.37) | 1.27 × 10−4(4.30) | 0.0106(141.62) | 0.1528 | −0.0008 | 0.2102 | 0.1146 | −0.0112 | 0.1528 |
| KNNR | 0.0085(111.80) | 4.47 × 10−4(10.08) | 0.0126(173.66) | 0.1934 | 0.0167 | 0.2730 | 0.1625 | −0.0154 | 0.2151 |
| LSR | 0.0082(106.51) | 6.67 × 10−4(11.46) | 0.0117(161.83) | 0.2218 | 0.0173 | 0.3404 | 0.1312 | −0.0143 | 0.1807 |
| SVRl | 0.0081(105.73) | 1.89 × 10−4(5.44) | 0.0116(159.83) | 0.2070 | −0.0124 | 0.3145 | 0.1311 | −0.0222 | 0.1806 |
Notes. The unit for Teff is K; The unit for log Teff is log(K).
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