Statistical testing framework to test the influence of shape, size, biomechanical determinants and trait presence on each other and to test phylogenetic signal. AAR, anterior acetabular ridge; PCR, posterior condylar ridge; MR, median ridge; LR, lateral ridge, JRF, joint reaction force; MPD, median peak displacement; PIC, phylogenetic independent contrasts. For the definition of JRF angles please refer to figure 6. Italic font indicates significant values.
tested traits | K | p-value | |
---|---|---|---|
kappa | JRF (α) | 0.91 | 0.0127 |
JRF (β) | 0.89 | 0.0185 | |
JRF (γ) | 0.57 | 0.2133 | |
JRF (δ) | 0.55 | 0.2460 | |
JRF (θ) | 0.26 | 0.9054 | |
JRF (η) | 0.29 | 0.8175 | |
MA | 0.66 | 0.1059 |
R2 | p-value | ||
---|---|---|---|
Procrustes PGLS | shape versus size | 0.0758 | 0.7373 |
shape versus MPDs | 0.0702 | 0.5726 | |
shape versus JRF (α) | 0.0432 | 0.7568 | |
shape versus JRF (β) | 0.0424 | 0.5351 | |
shape versus JRF (γ) | 0.1430 | 0.2442 | |
shape versus JRF (δ) | 0.1246 | 0.2523 | |
shape versus JRF (θ) | 0.0640 | 0.9732 | |
shape versus JRF (η) | 0.1070 | 0.8429 | |
shape versus MA | 0.0762 | 0.0904 | |
PIC | size versus MPDs | 0.0927 | 0.0972 |
JRF (α) versus MPDs | 0.0005 | 0.9222 | |
JRF (β) versus MPDs | 0.0328 | 0.4319 | |
JRF (γ) versus MPDs | 0.0598 | 0.2854 | |
JRF (δ) versus MPDs | 0.0010 | 0.8900 | |
JRF (θ) versus MPDs | 0.1281 | 0.1112 | |
JRF (η) versus MPDs | 0.1021 | 0.1580 | |
MA versus MPDs | 0.3439 | 0.0052 | |
JRF (α) versus size | 0.0504 | 0.3280 | |
JRF (β) versus size | 0.0143 | 0.6063 | |
JRF (γ) versus size | 0.0714 | 0.2417 | |
JRF (δ) versus size | 0.0710 | 0.2431 | |
JRF (θ) versus size | 0.2739 | 0.0149 | |
JRF (η) versus size | 0.3836 | 0.0028 | |
MA versus size | 0.1625 | 0.0700 |
estimated D | no phyl.sig [p] (BM.sig [p]) | ||
---|---|---|---|
Phyl. signal in ridge presence | AAR | 0.67 | 0.27 (0.21) |
PCR | −0.32 | 0.06 (0.65) | |
MR | −2.74 | 1 (0.02) | |
LR | 0.78 | 0.33 (0.16) |
likelihood ratio | p-value | ||
---|---|---|---|
pairwise correlation of ridges | AAR | PCR | 2.1031 | 0.7168 |
AAR | MR | 0.9736 | 0.9138 | |
AAR | LR | 5.8201 | 0.2138 | |
PCR | MR | 2.6425 | 0.4742 | |
PCR | LR | 6.0530 | 0.1945 | |
MR | LR | 1.4166 | 0.8413 |