Table 3.
Model summary for multiple regression analysis of relationship between the number of transcripts reaching maximum expression (phase) and environmental predictors (photoperiod, maximum temperature, precipitation) over two week intervals for a full year
| ANOVA | df | Sum of squares | Mean of squares | F | Pr(>|t|) | ||
| photoperiod | 2 | 27.03 | 13.51 | 49.29 | 1.168e-08 | ||
| temperature | 1 | 1.897 | 1.897 | 6.920 | 0.0156 | ||
| precipitation | 1 | 0.0014 | 0.0014 | 0.0051 | 0.9435 | ||
| residuals | 21 | 5.757 | 0.2741 | NA | NA | ||
| Coefficients | VIF | b | Std. Err. | β | Std. Err. | T value | Pr(>|t|) |
| constant | NA | -1.307e + 00 | 1.967e-01 | -1.130e-16 | 8.718e-02 | −6.646 | 1.40e-06 |
| photoperiod | 2.531 | 2.667e-03 | 1.281e-03 | 2.945e-01 | 1.414e-01 | 2.082 | 0.0497 |
| photoperiod2 | 1.494 | 8.037e-05 | 1.031e-05 | 8.468e-01 | 1.087e-01 | 7.793 | 1.25e-07 |
| temperature | 2.822 | −4.886e-02 | 1.951e-02 | −3.739e-01 | 1.494e-01 | −2.503 | 0.0206 |
| precipitation | 2.186 | −9.627e-03 | 1.343e-01 | −9.424e-03 | 1.315e-01 | −0.072 | 0.9435 |
R2 = 0.834; Adjusted R2 = 0.802; Residual standard error = 0.4445 (21 d.f.); F-statistic: 26.38 on 4 and 21 d.f., p-value = 6.31e-08