Fig.7
Principal components obtained from real data sample. All PCs are plotted following the convention eeei(z = 0) > 0. Top: first (red-full), second (blue-dashed), third (green-dotdashed), and fourth (brown-dotted) PCs. Bottom: fifth (purple-full), sixth (cyan-dashed), seventh (magenta-dotdashed), and eight (darker blue-dotted) PCs.
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