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Table 1 Results from principal component analysis

From: The evolution of contact calls in isolated and overlapping populations of two white-eye congeners in East Africa (Aves, Zosterops)

Variable PC 1 PC 2 PC 3
Starting frequency 0.285 0.358 0.258
First frequency peak 0.499 −0.259 0.000
Highest frequency peak 0.509 −0.245 0.010
End frequency 0.332 0.485 −0.173
Lowest frequency 0.350 0.538 −0.038
Total call length −0.020 0.028 0.949
Range in frequency 0.421 −0.468 0.025
Eigenvalue 3.42 1.74 1.04
Explained variance 48.90 24.80 14.80
  1. Shown are the loadings of the first three principle components explaining 88.5% of the total variance.