Biogeography, phylogeny, and morphological evolution of central Texas cave and spring salamanders

Table 2 Factor loadings for variables, eigenvalues, and percent of total variance explained for principal components

Measurement	PC 1	PC 2	PC 3
AG	0.741	−0.315	−0.583
ALL	0.965	0.150	0.065
ED	0.342	−0.857	0.384
HLA	0.978	−0.006	0.128
HLB	0.970	0.101	0.149
HLC	0.979	0.032	0.157
HLL	0.960	0.174	0.100
HW	0.963	0.067	0.093
IOD	0.945	0.158	0.076
SL	0.821	−0.150	−0.538
Eigenvalue	7.870	0.949	0.868
% Variance Explained	78.7	9.5	8.7

Principal components were derived from the correlation matrix of log₁₀-transformed morphometric data.

ISSN: 2730-7182