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Table 7 Comparison of PLS-DA, SVM, LDA model results

From: Research on anthracnose grade of Camellia oleifera based on the combined LIBS and THz technology

Spectrum

Modeling set

Prediction set

Classification accuracy

Misjudgment rate

Classification accuracy

Misjudgment rate

THz-LIBS-CARS-PLS-DA

100%

0

98.97%

1.03%

THz(CARS)-LIBA(CARS)-SVM

100%

0

100%

0

THz-LIBS-MSC-CARS-SVM

100%

0

100%

0

THz-LIBS-MSC-CARS-LDA

98.98%

1.02%

96.87%

3.13%