Automatic Discrimination of the Geographical Origins of Milks by Excitation-Emission Fluorescence Spectrometry and Chemometrics

Table 1

The classification results of different models for milk samples.

Models	Two-way PLSDA^1	Two-way PLSDA^2	Two-way PLSDA^3	Three-way PLSDA
Model complexity	4	4	5	5
Number of misclassified^4	7/6	7/10	4/3	2/4
Total accuracy rate	91.3%	88.6%	95.3%	96.0%

¹Two-way PLSDA with excitation spectra,
²Two-way PLSDA with emission spectra,
³Two-way PLSDA with fusion of excitation and emission spectra,
⁴The number of misclassified samples for training/predicting.