Multivariate statistical analysis on Japanese traditional papers, washi, for evaluation of DNA presence and quality

Heritage Science

Table 4 PLS validation assessment parameters of smoothing + 2nd derivative preprocessing methods for DNA concentration and DNA purity

Smoothing + 2nd derivative preprocessing method	RMSECV	R²	RPD	Lab-made paper validation
Smoothing + 2nd derivative preprocessing method	RMSECV	R²	RPD	Observed	Predicted
DNA purity	0.091	0.964	5.38	1.47	1.49