Table 5 Comparison of tensile force prediction accuracy among different models.

From: Study on tensile properties of Hippophae rhamnoides roots and prediction model of chemical composition in tailing areas

Models

Tensile force

Maximum error

/N

Mean error

/N

Standard error

/%

Mean relative error

/%

PCA

14.15

2.51

4.07

5.35

BP

12.08

2.23

3.86

4.02

SVM

11.74

1.76

3.56

3.80

PLRS

8.32

1.51

3.15

3.47

PLRS-SVM

5.61

1.60

2.13

3.21

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