RMSEP

(redirected from Root Mean Square Error of Prediction)
AcronymDefinition
RMSEPRoot Mean Square Error of Prediction
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Spectral region 1727-1690 [cm.sup.-1] Factors 4 Validation standards 3 RMSEC 0.449 RMSECV 2.265 RMSEP 0.324 [R.sup.2] 0.9993 [R.sup.2] is correlation coefficient of actual and calculated values of free fatty acids concentration in the calibration set; RMSEC: root mean square error of calibration; RMSECV: root mean square error of cross-validation; RMSEP: root mean square error of prediction. TABLE 2: FFA content (Mean [+ or -] SD) of commercial and N.
However, the PLS1 models with lower root mean square error of prediction (RMSEP), standard error of prediction (SEP) and Bias were better when compared to the PCR models developed using the whole NIR spectra region and restricted NIR spectra region not associated with the hydroxyl band.
(f) Root mean square error of prediction. (g) Standard error of prediction.