Classification of Different Blueberry Cultivars by Analysis of Physical Factors, Chemical and Nutritional Ingredients, and Antioxidant Capacities

Table 4

Classification results of 12 cultivars of blueberries using optimized subsets of quality parameters.

Models	Subset size	Selected quality parameters^a	OCERMCCV	Accuracy^b
OVR-PLSDA	10	1, 2, 4, 7, 8, 11, 12, 17, 18, and 19	0.199	0.815
	12	1, 3, 4,7, 9, 10, 11, 12, 17, 18, 19, and 20	0.203	0.792
	9	2, 4, 5, 10, 11, 12, 14, 18, and 19	0.209	0.792
OVO-PLSDA	8	2, 6, 9, 10, 11, 12, 18, and 19	0.078	0.915
	9	2, 6, 8, 10, 11, 12, 18, 19, and 21	0.093	0.892
	8	1, 3, 9, 10, 12, 17, 18, and 21	0.104	0.900

^aThe order of quality parameters is shown in Table 1. ^bThe overall prediction accuracy of the 12 blueberries.