Feasibility Study of the Use of Handheld NIR Spectrometer for Simultaneous Authentication and Quantification of Quality Parameters in Intact Pineapple Fruits

Table 3

Prediction results of PLS models under different pretreatment methods.

Pretreatment	Factors	Calibration		Prediction
		R	RMSEC (°Brix)	R	RMSEP (°Brix)
Raw	5	0.559	1.499	0.617	1.274
MC	6	0.504	1.563	0.539	1.363
MSC	5	0.851	0.950	0.854	0.842