Appendix B. Multiple regression statistics.
Effects of specific leaf area (SLA), photosynthesis per unit mass (Amass), and leaf nitrogen per mass (Nmass) on leaf decomposition rate (k).
Source |
df |
Sum of Squares |
Mean Square |
F value |
P |
Model |
3 |
39.44 |
13.15 |
25.31 |
<0.0001 |
Error |
32 |
16.62 |
0.52 |
||
Uncorrected Total |
35 |
56.06 |
|||
Root MSE |
0.72 |
||||
R-Square |
0.70 |
||||
Coeff Var |
73.73 |
Parameter Estimates |
|||
Variable |
Parameter Estimate |
Standardized Estimate |
Variance Inflation |
SLA |
0.0047 |
0.5291 |
6.0779 |
Amass |
-0.0036 |
-0.3561 |
9.0781 |
Nmass |
0.3952 |
0.6672 |
8.9201 |
Effects of specific leaf area (SLA), photosynthesis per unit mass (Amass), and leaf phosphorus per mass (Pmass) on leaf decomposition rate (k).
Source |
df |
Sum of Squares |
Mean Square |
F value |
P |
Model |
3 |
42.84 |
14.28 |
34.56 |
<0.0001 |
Error |
32 |
13.22 |
0.41 |
||
Uncorrected Total |
35 |
56.06 |
|||
Root MSE |
0.64 |
||||
R-Square |
0.76 |
||||
Coeff Var |
65.76 |
Parameter Estimates |
|||
Variable |
Parameter Estimate |
Standardized Estimate |
Variance Inflation |
SLA |
0.0025 |
0.2794 |
7.1060 |
Amass |
-0.0035 |
-0.3436 |
6.8722 |
Pmass |
8.3228 |
0.9199 |
7.6540 |
Effects of specific leaf area (SLA), photosynthesis per unit mass (Amass), and leaf potassium per mass (Kmass) on leaf decomposition rate (k).
Source |
df |
Sum of Squares |
Mean Square |
F value |
P |
Model |
3 |
37.15 |
12.38 |
20.96 |
<0.0001 |
Error |
32 |
18.91 |
0.59 |
||
Uncorrected Total |
35 |
56.06 |
|||
Root MSE |
0.77 |
||||
R-Square |
0.66 |
||||
Coeff Var |
78.64 |
Parameter Estimates |
|||
Variable |
Parameter Estimate |
Standardized Estimate |
Variance Inflation |
SLA |
0.0045 |
0.5026 |
11.1240 |
Amass |
0.0009 |
0.0911 |
5.2451 |
Kmass |
0.2070 |
0.2428 |
6.4738 |