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