Table 2.

PLSR models for prediction of specific Campylobacter concentrations in a mixture

Species	Concn range (%)	No. of samples	No. of latent variables	Calibration			CVa
				R	RMSE	RPD	R	RMSE	RPD
C. jejuni	5–100	198	8	≥0.99	≤0.43	≥14.32	≥0.99	≤0.51	≥7.88
C. coli	5–100	198	9	≥0.99	≤0.61	≥11.63	≥0.98	≤0.68	≥8.21
C. upsaliensis	5–100	198	9	≥0.99	≤0.38	≥16.57	≥0.99	≤0.49	≥11.05
C. fetus	5–100	198	8	≥0.99	≤0.53	≥13.91	≥0.98	≤0.72	≥9.27

^aCV, cross validation.