Differentiation of Organic Cocoa Beans and Conventional Ones by Using Handheld NIR Spectroscopy and Multivariate Classification Techniques

Table 4

Overall performance of classification algorithms.

Models	Total cocoa bean samples		PCs	Identification rate (%)
	Calibration set	Prediction set		Calibration set	Prediction set
RF	182	78	9	96.15	98.08
KNN	182	78	5	91.35	92.31
LDA	182	78	5	90.38	98.08
PLS-DA	182	78	5	100.00	100.00