Table 1.
Percentage of correctly and incorrectly identified mean positions of Gaussian components for decomposition runs on samples of synthetic spectra.
| GAUSSPY | GAUSSPY+ | |||
|---|---|---|---|---|
| Sample | Correct (a) | Incorrect (b) | Correct (a) | Incorrect (b) |
| A | – | 2.8% | – | 0.0% |
| B | 78.0% | 3.9% | 93.7% | 1.6% |
| C | 72.6% | 3.7% | 93.4% | 1.8% |
| D | 29.4% | 6.5% | 81.7% | 4.5% |
Notes.
We define the mean position of a Gaussian component as correctly identified if it is within ±2 spectral channels of the true value.
We define the fraction of incorrect identifications for sample A as all spectra for which noise features were fitted. The percentage of incorrect identifications for sample B–D refers to the fraction of fitted Gaussian components whose mean position was located at a distance of more than 4 spectral channels to the true value.
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