Table 1. Principal component analysis is used across different disciplines, giving rise to a diverse terminology, which is summarized here.

			Ref.
coefficients, loadings	principal components	eigenvalues	[4]
characteristic vectors, eigenvectors	z-scores	characteristic roots, latent roots	[5]
eigenvectors	amplitudes	eigenvalues	[8]
coefficients, loadings	scores	latents, eigenvalues	MATLAB [43]