The first four principal components in the space of body shape

Principal Component Analyses (PCA)-based findings in population genetic studies are highly biased and must be reevaluated

Periodic table - Wikipedia

Loadings of the first four components of the Principal Components

Principal component analysis: a review and recent developments Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences

Lesson 11: Principal Components Analysis (PCA)

PCA space. First 4 principal components. Mean shape is in the center.

Solar System - Wikipedia

Periodic table - Wikipedia

Daphne KOLLER, Stanford University, CA, SU