highly significantP < 0.001
9 ; PC 1 is correlated with centroid size r = 0.73 and frontal size explains approximately 32% of shape variance and is highly significant [adjusted R-squared = 0.33, degrees of freedom = 75, F = 37.11, P < 0.001]).
9 ; PC 1 is correlated with centroid size r = 0.73 and frontal size explains approximately 32% of shape variance and is highly significant [adjusted R-squared = 0.33, degrees of freedom = 75, F = 37.11, P < 0.001]).