Global Clustering Quality Coefficient Assessing the Efficiency of PCA Class Assignment

Table 7

Predictive power assessed by quadratic discriminant analysis (QDA).

	Classification rate; (%)	Correct classification rate (%)	M correct classification rate; (%)	T correct classification rate; (%)	N correct classification rate; (%)
Unprocessed; spectra	94.12	84.27	66.66	85.71	87.02
preprocessed spectra	100	85.53	95.23	100	83.20
preprocessed spectra	100	84.90	100	100	81.67
preprocessed spectra	100	89.93	100	100	87.78