Fig. 6From: Microspectrofluorimetry and chemometrics for the identification of medieval lake pigmentsDistance to model metric used to assign samples (calibration and test sets) to colorant classes resulting from the SIMCA modelling approach: kermes (light-blue), lac dye (dark-blue), cochineal (green) and brazilwood (red). The SIMCA modelling approach results in 100% correct predictions for both calibration and validation setsBack to article page