Table 7. Summary of Correlations between Variables Deduced from the F1–F3 Circle.

plan	anticorrelation	correlation	no correlation
F1–F3	saturates–asp 1	saturates–asp 3	saturates–aro 3
	aro 2–resins		aro 1–asp 1
	aro 2–asp 2		aro 3–asp 3
	asp 1–asp 3	resins–asp 2	aro 3–asp 1
	aro 1–ox time		saturates–ox time
	aro 3–ox time		asp 3–ox time