Study on the Effect of Apple Size Difference on Soluble Solids Content Model Based on Near-Infrared (NIR) Spectroscopy

Table 7

PLS model for SSC of apples with intermediate data fusion.

Sample selection algorithm	Modeling set fruit diameter	Predicted fruit set diameter	Number of variables	Rc	Rmsec/%	Rp	RMSEP/%
CARS	75  mm–85  mm	65 mm–75  mm	61	0.967	0.440	0.886	0.536
		85 mm–95  mm		0.967	0.440	0.913	0.497