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. 2010 Apr 3;10:10. doi: 10.1186/1472-6785-10-10

Table 2.

Principal components analysis of salamander physiology

PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8
Snout vent length -0.3671 -0.1264 0.1101 -0.2088 0.0598 -0.3813 0.7488 -0.2897

Average front leg length -0.3616 -0.1704 0.4020 -0.1325 0.3608 -0.0167 0.0585 -0.7261

Average rear leg length -0.3622 -0.1919 0.3677 -0.0349 0.2899 0.3445 0.3381 0.5980

Tail length -0.3553 -0.1429 0.2964 0.3521 -0.7942 0.0573 0.0186 -0.0841

Tail height -0.3014 0.9390 0.1230 0.0522 0.0393 0.0789 -0.0434 0.0024

Tail width -0.3533 -0.1059 -0.4626 0.7332 0.3285 -0.0410 -0.0454 -0.0286

Head width -0.3652 0.0184 -0.2859 -0.2983 -0.1181 -0.6130 0.5482 0.0733

Body width -0.3579 -0.0669 -0.5407 -0.4294 -0.1676 0.5725 -0.1298 -0.1339

Standard Deviation 2.6800 0.6253 0.3926 0.3232 0.3052 0.1790 0.1524 0.1431

Proportion of Variance 0.8980 0.0489 0.0193 0.0131 0.0116 0.0040 0.0029 0.0026

Loadings, standard deviations and proportion of variances of eight principal components. The largest loading factors for each component are shown in bold.