Table 2 The loadings onto the robust principal components; larger absolute values indicate more influential traits on the dimension-reduced space.
From: Algorithmic approaches to aid species' delimitation in multidimensional morphospace
Trait | Middle Eocene | Upper Eocene | ||
|---|---|---|---|---|
| Â | Component 1 | Component 2 | Component 1 | Component 2 |
Area | 0.111 | -0.355 | 0.289 | -0.364 |
Filled | -0.508 | 0.239 | 0.382 | 0.317 |
Chamber Aspect Ratio | -0.395 | -0.438 | -0.418 | 0.453 |
Chamber Inflation | -0.390 | -0.396 | -0.274 | 0.062 |
Aperture Aspect Ratio | -0.176 | -0.026 | -0.249 | 0.148 |
Test Height | -0.261 | 0.374 | 0.470 | 0.220 |
Test Expansion | -0.505 | 0.228 | -0.112 | 0.469 |
Umbilical Angle | 0.103 | 0.522 | -0.361 | -0.047 |
Chirality | 0.043 | -0.037 | 0.122 | 0.192 |
Chamber Number | 0.233 | -0.048 | -0.284 | -0.478 |