FTIR Spectroscopy Combined with Partial Least Square for Analysis of Red Fruit Oil in Ternary Mixture System

Table 4

The performance of validation model used for prediction of red fruit oil (RFO), corn oil (CO), and soybean oil (SO) in ternary mixture.

Analytes	Spectral treatments	Equation	Validation performance
			𝑅^2	RMSEP
RFO	1st derivative	𝑦=0.9908𝑥+0.8464	0.9404	4.2774
CO	2nd derivative	𝑦=0.7902𝑥+4.745	0.9624	8.5366
SO	2nd derivative	𝑦=0.9996𝑥−0.0717	0.9749	3.9805