Table 3 The LDA model of results after band selection of absorption coefficient spectrum
From: Identification of different parts of Panax notoginseng based on terahertz spectroscopy
Model type | Pretreatment type | Modeling accuracy / % | Number of test sets | Prediction accuracy / % |
|---|---|---|---|---|
LDA | No | 99.25 | 134 | 99.25 |
Baseline correction | 99 | 134 | 100 | |
MSC | 91.79 | 134 | 25 | |
Normalization | 82.84 | 134 | 97.01 |