Computational and Mathematical Methods in Medicine / 2014 / Article / Tab 1

Research Article

Validation in Principal Components Analysis Applied to EEG Data

Table 1

Loadings matrix showing the coefficients for the first two PCs in a PCA of 10 variables, relating to EEG signals from 24 volunteers.

Variables 1° PC2° PC

Alpha power−0.33 0.10
Beta power−0.29 0.57
Theta power−0.310.38
Alpha max.−0.32 0.10
Beta max.−0.30 0.51
Theta max.−0.300.43
RMS−0.33−0.09
SD−0.33−0.09
Skewness−0.29−0.21
Mm−0.34−0.06