Table 2.

Correlation matrix between the original response variables^†

	PVa	AVb	FFAc	IPd	ACLe	TPMf	CDVg
PV	1.00
AV	0.67	1.00
FFA	0.64	0.93	1.00
IP	−0.74	−0.87	−0.84	1.00
ACL	−0.55	−0.77	−0.77	0.78	1.00
TPM	0.71	0.86	0.87	−0.82	−0.86	1.00
CDV	0.63	0.86	0.91	−0.89	−0.80	0.83	1.00

^† Significantly correlated at p < 0.05

^a Peroxide value; ^b Para-anisidine value; ^c Free fatty acids; ^d Induction period; ^e Antioxidant capacity of lipid soluble compounds; ^f Total polar matter; ^g Conjugated diene value