We then compared the eigenvalues for each DF (fixing the number of PCs to 25) and found that using the first 4 DFs (DF1 to DF4) was an appropriate tradeoff, as it accounted for 83.9% for the females and 82.6% for the males of the variance between birds.
![[This page as RDF]](http://data.gesis.org/somesci/static/rdf-icon.gif){kind=icon}