@article {Uyeda007369, author = {Josef C. Uyeda and Daniel S. Caetano and Matthew W. Pennell}, title = {Statistical and conceptual challenges in the comparative analysis of principal components}, elocation-id = {007369}, year = {2014}, doi = {10.1101/007369}, publisher = {Cold Spring Harbor Laboratory}, URL = {https://www.biorxiv.org/content/early/2014/07/22/007369}, eprint = {https://www.biorxiv.org/content/early/2014/07/22/007369.full.pdf}, journal = {bioRxiv} }