Ecological Archives M085-018-A7
Jon D. Witman, Robert W. Lamb, and Jarrett E. K. Byrnes. 2015. Towards an integration of scale and complexity in marine ecology. Ecological Monographs 85:475–504. http://dx.doi.org/10.1890/14-2265.1
Appendix G. Structural equation modeling (SEM) results.
Table G1. Results of Structural Equation Modeling (SEM). lavaan (0.5-17) converged normally after 244 iterations.
Number of observations |
310 |
|
|
|
|
Estimator |
ML |
Robust |
Minimum Function Test Statistic |
13.492 |
16.192 |
Degrees of freedom |
9 |
9 |
P value (Chi-square) |
0.142 |
0.063 |
Scaling correction factor for the Satorra-Bentler correction |
|
0.833 |
|
|
|
Parameter estimates |
|
|
Information |
Expected |
|
Standard Errors |
Robust.sem |
|
From |
To |
Estimate |
Std.err |
Z-value |
P(>|z|) |
Standardized Estimate |
|
Latent variables: |
Experiment Complexity |
||||||
Log Species |
1 |
0.431 |
0.47 |
||||
Treatment Combinations |
5.589 |
1.378 |
4.055 |
0 |
0.373 |
||
Factors |
1.111 |
0.312 |
3.565 |
0 |
0.366 |
||
Regressions: |
|||||||
Log Duration |
|||||||
Year |
-0.004 |
0.008 |
-0.529 |
0.597 |
-0.03 |
||
Log Spatial Grain |
|||||||
Year |
-0.019 |
0.007 |
-2.869 |
0.004 |
-0.186 |
||
Log Spatial Extent |
|||||||
Year |
0.032 |
0.006 |
5.144 |
0 |
0.286 |
||
Log Spatial Grain |
0.416 |
0.046 |
9.001 |
0 |
0.382 |
||
Experiment Complexity |
|||||||
Year |
0.004 |
0.003 |
1.309 |
0.19 |
0.129 |
||
Log Duration |
0.11 |
0.025 |
4.448 |
0 |
0.432 |
||
Log Spatial Extent |
0.083 |
0.035 |
2.342 |
0.019 |
0.27 |
||
Log Spatial Grain |
-0.131 |
0.03 |
-4.408 |
0 |
-0.393 |
||
Covariances: |
|||||||
Treatment Combinations |
Factors |
2.994 |
0.853 |
3.51 |
0 |
0.411 |
|
Intercepts: |
|||||||
Log Species |
-7.037 |
6.626 |
-1.062 |
0.288 |
-7.679 |
||
Treatment Combinations |
-45.89 |
38.106 |
-1.204 |
0.228 |
-7.116 |
||
Factors |
-7.697 |
7.387 |
-1.042 |
0.297 |
-5.883 |
||
Log Duration |
12.789 |
15.169 |
0.843 |
0.399 |
7.569 |
||
Log Spatial Grain |
38.536 |
13.212 |
2.917 |
0.004 |
29.795 |
||
Log Spatial Extent |
-59.727 |
12.302 |
-4.855 |
0 |
-42.353 |
||
ExptComplexty |
0 |
0 |
0 |
||||
Variances: |
|||||||
Log Species |
0.654 |
0.086 |
0.654 |
0.779 |
|||
Treatment Combinations |
35.794 |
7.989 |
35.794 |
0.861 |
|||
Factors |
1.483 |
0.39 |
1.483 |
0.866 |
|||
Log Duration |
2.852 |
0.214 |
2.852 |
0.999 |
|||
Log Spatial Grain |
1.615 |
0.245 |
1.615 |
0.965 |
|||
Log Spatial Extent |
1.617 |
0.138 |
1.617 |
0.813 |
|||
ExptComplexty |
0.114 |
0.06 |
0.613 |
0.613 |
|||
R-Square: |
|||||||
Log Species |
0.221 |
||||||
Treatment Combinations |
0.139 |
||||||
Factors |
0.134 |
||||||
Log Duration |
0.001 |
||||||
Log Spatial Grain |
0.035 |
||||||
Log Spatial Extent |
0.187 |
||||||
Experiment Complexity |
0.387 |