Open Access
Table B.1.
Analysis of the explained variance (% var) for two and ten principal components (PCs) and number of PCs needed to explain 75 per cent of the variance for the PCA algorithm applied to the sample of (a) line-of-sight velocity maps (Experiment 1) and (b) three types of kinematic maps (Experiment 2) for different inclinations.
| Experiment 1 | Experiment 2 | |||||
|---|---|---|---|---|---|---|
| 90 | 60 | 45 | 90 | 60 | 45 | |
| % var | ||||||
| 2 PCs | 47.6% | 55.3% | 50.8% | 60.1% | 60.5% | 59.0% |
| % var 10 PCs | 50.5% | 57.6% | 53.0% | 67.1% | 68.6% | 67.9% |
| N° PCs to explain 75% var | 141 | 121 | 146 | 98 | 81 | 89 |
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