Table 4 Eigenvalues, percentage explained variation and factor loadings for the first three principal components of a PCA on 15 measurements (size-free residuals) of the genital tract
From: Genetic differentiation reflects geological history in the Azorean land snail, Leptaxis azorica
Variable | PC1 | PC2 | PC3 |
|---|---|---|---|
MM | −0.201 | −0.765 | −0.260 |
LF | −0.559 | −0.641 | −0.179 |
LE | −0.663 | −0.385 | −0.035 |
LP | −0.667 | −0.543 | 0.185 |
LPD | −0.712 | −0.283 | −0.055 |
LFO | −0.484 | −0.710 | −0.002 |
LV | 0.069 | −0.397 | 0.890 |
LVD | −0.799 | −0.507 | −0.029 |
WF | 0.808 | −0.376 | −0.057 |
WE | 0.799 | −0.416 | −0.118 |
WP | 0.724 | −0.522 | −0.002 |
WPD | 0.770 | −0.433 | −0.043 |
WDS | 0.478 | −0.718 | 0.000 |
WV | 0.789 | −0.310 | −0.021 |
WVD | 0.888 | −0.131 | 0.016 |
Eigenvalue | 6.68 | 3.84 | 0.95 |
% variation | 44 | 26 | 6 |
