Table 1.
Summary of OLS and PGLS analysis
| Model | Coefficient | SE | t for H0 | F for H0 | p value | r2 |
|---|---|---|---|---|---|---|
|
OLS |
|
|
|
|
|
0.37 |
| Intercept |
0.196 |
0.018 |
11.047 |
122.034 |
1.131e-10 |
|
| Slope |
-1.226 |
0.336 |
-3.653 |
13.341 |
0.0013 |
|
|
PGLS |
|
|
|
|
|
0.26 |
| Intercept |
0.171 |
0.032 |
5.278 |
27.859 |
2.346e-05 |
|
| Slope | -1.214 | 0.427 | -2.844 | 8.090 | 0.009 |
Results of the regression analysis for predicting the species acoustic vesicle size on wavelength of calling song frequency (both relative to body size) using OLS (Ordinary Least Squares; indicates conventional non-phylogenetic analysis) and PGLS (Phylogenetic Generalized Least Squares).