Evaluation of the Capability of Horizontal ATR-FTMIR and UV-Visible Spectroscopy in the Discrimination of Virgin Olive Oils from the Moroccan Region of Beni Mellal-Khenifra

Table 3

Confusion matrix of PCA-LDA results on the first four principal components of ATR-FTMIR spectral data.

PCA-LDA ATR-FTMIR
	Actual training set						Sensitivity (%)	Specificity (%)	Classification (%) accuracy	CCR (%)
		1-QSB	2-BJD	3-KHN	4-FKB	5-BM
Predicted	1-QSB	5	0	0	1	4	50	100	100	85.67
	2-BJD	0	5	0	0	0	100	100	100
	3-KHN	0	0	6	1	0	86	100	100
	4-FKB	0	0	0	10	0	100	93	83
	5-BM	0	0	0	0	9	100	87	69
	Actual validation set
		1-QSB	2-BJD	3-KHN	4-FKB	5-BM
Predicted	1-QSB	3	0	0	1	1	60	100	100	86.67
	2-BJD	0	3	0	0	0	100	100	100
	3-KHN	0	0	3	0	0	100	100	100
	4-FKB	0	0	0	2	0	100	92	67
	5-BM	0	0	0	0	2	100	92	67