Table 2 Statistics on the evaluation indicators of the three models.

From: Characterization of rice starch changes in saline and alkaline area under different fertilization conditions based on Raman spectral recognition technology

Model

Preprocessing methods

Accuracy

Precisionmacro

Sensitivitymacro

F1macro score

AUC

SVM

Norm

0.84

0.86

0.84

0.85

0.98

 

Norm + MSC

0.97

0.97

0.97

0.97

1

 

Norm + SNV

0.87

0.88

0.87

0.88

0.99

 

Norm + SGD

0.95

0.96

0.95

0.96

0.99

FFNN

Norm

0.73

0.76

0.73

0.74

0.93

 

Norm + MSC

1

1

1

1

1

 

Norm + SNV

0.81

0.82

0.81

0.82

0.95

 

Norm + SGD

0.79

0.80

0.79

0.80

0.88

K-NN

Norm

0.62

0.66

0.62

0.64

0.91

 

Norm + MSC

0.98

0.99

0.98

1

0.99

 

Norm + SNV

0.70

0.73

0.70

0.71

0.92

 

Norm + SGD

0.68

0.71

0.68

0.70

0.90