Figure 8

Scatter plot of the principal component (PC) scores. PC 1 versus PC 2 (A). PC 3 versus PC 4 (B). PC 5 versus PC 6 (C). The percentage of variance explained by each PC score is shown in parentheses.

Scatter plot of the principal component (PC) scores. PC 1 versus PC 2 (A). PC 3 versus PC 4 (B). PC 5 versus PC 6 (C). The percentage of variance explained by each PC score is shown in parentheses.