Direct Analysis in Real Time Mass Spectrometry for the Nondestructive Investigation of Conservation Treatments of Cultural Heritage

Table 1

Results of LDA on the training and test sets and in cross-validation calculated on the 100 test sets.

Number of PCs included		⁢ NER% training set		⁢ NER% cross-validation		⁢ NER% test set
Min	Max	Min	Max	Min	Max	Min	Max
2	8	96.30	100	93.48	99.52	85.71	100