Open Access
Table 7
F-test statistics of models for the average FGK star.
| Simpler Model | More complex Model | ∆ d.o.f. | ∆χ2 | F-value | p-value |
|---|---|---|---|---|---|
| 1T-APEC | 2T-APEC | 2 | 225.35 | 71.3 | 1 × 10−24 |
| 2T-APEC | 3T-APEC | 2 | 96.36 | 41.7 | 4 × 10−16 |
| 1T-APEC | 1T-VAPEC | 4 | 150.37 | 19.4 | 1 × 10−13 |
| 2T-APEC | 1T-VAPEC | 2 | −74.98 | <0 | − |
| 2T-APEC | 2T-VAPEC | 4 | 113.97 | 26.3 | 9 × 10−18 |
| 3T-APEC | 2T-VAPEC | 2 | 17.61 | 8.1 | 4 × 10−4 |
| 3T-APEC | 3T-VAPEC | 4 | 23.38 | 5.5 | 3 × 10−4 |
| 1T-VAPEC | 2T-VAPEC | 2 | 188.95 | 87.2 | 2 × 10−28 |
| 2T-VAPEC | 3T-VAPEC | 2 | 5.77 | 2.7 | 0.069 |
Notes. The improvement in best-fit between two models regarding change in degrees of freedom (∆ d.o.f.), change in χ2, the corresponding F value, and the resulting p value. The d.o.f. is Ndata - Nfree param.
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