Table 5. Principal Component eigenvalues and eigenvectors of linear variables.

	PC 1	PC 2	PC 3	PC 4
Eigenvalue	12.3618	1.4051	0.8888	0.618
Percent	72.717	8.265	5.228	3.635
Cumulative Percent	72.717	80.982	86.21	89.846
Eigenvectors
Alveo-orbital L	0.23795	0.28059	–0.26681	–0.14133
Basal L	0.27649	0.08258	–0.05699	–0.14588
Biangular (BA)	0.19537	–0.51181	–0.11387	0.23412
Bicoronoid (BC)	0.22371	–0.17524	–0.44474	0.08058
Canine to Condyle L	0.27144	0.07291	–0.09792	–0.25517
Coronoid H	0.23737	–0.06289	0.09497	–0.47065
Inio-orbital L	0.26442	–0.14824	0.18219	–0.17860
Interorbital Distance	0.23403	–0.04994	0.16070	0.23918
L of P4	0.17794	0.46578	0.27676	0.33309
Mandible L (Infradentale-Corion)	0.26836	0.12171	–0.12392	–0.09087
Mandible L (Infradentale-Angular)	0.27920	0.01497	–0.05844	–0.71980
Muzzle Breadth	0.24670	0.03044	–0.13137	0.39654
PM Row L	0.20935	0.49200	0.01817	0.14387
Rhinion to Nasion	0.18157	–0.17004	0.70853	–0.10114
Rostral Breadth	0.24260	–0.17621	0.12757	0.41110
Skull L	0.27869	–0.00295	0.02671	–0.19454
Zygomatic Breadth	0.26114	–0.23042	–0.07226	0.04803