Table 1 Statistical analysis of GPR models for predicting all the 12 parameters at training, test and total phases.

From: Probiotic-loaded seed mucilage-based edible coatings for fresh pistachio fruit preservation: an experimental and modeling study

Output parameter

Train

Test

Total

RMSE

MAPE

R2

RMSE

MAPE

R2

RMSE

MAPE

R2

Weight loss

0.08

4.46

0.99

0.15

2.39

0.98

0.10

4.04

0.99

Pv = 0.99 × Av + 0.01

Pv = 1.13 × dv-0.69

Pv = 1.01 × dv-0.01

TSS

0.22

1.37

0.99

0.33

2.08

0.96

0.24

1.51

0.99

Pv = 0.99 × Av + 0.13

Pv = 0.97 × Av + 0.31

Pv = 0.99 × Av + 0.10

Fat content

0.09

0.11

0.97

0.07

0.09

0.98

0.08

0.10

0.98

Pv = 0.95 × Av + 2.79

Pv = 2.12 × Av-2.65

Pv = 0.96 × Av + 2.50

PV

0.01

0.11

0.99

0.01

9.34

0.99

0.01

1.95

0.99

Pv = 0.99 × Av + 0.01

Pv = 0.73AV + 0.04

Pv = 0.99 × Av + 0.01

Carbohydrate content

0.01

0.07

0.99

0.05

0.59

0.99

0.02

0.18

0.99

Pv = 0.99 × Av + 0.02

Pv = 0.90 × Av + 0.86

Pv = 0.97 × Av + 0.27

Viability

0.15

0.28

0.99

0.12

0.04

0.99

0.15

0.33

0.99

Pv = 0.99 × Av + 0.04

Pv = 0.99 × Av + 0.01

Pv = 0.99 × Av + 0.03

Total phenolic compounds

0.44

1.04

0.97

0.21

0.50

0.88

0.41

0.94

0.98

Pv = 0.95 × Av + 1.88

Pv = 1.50 × Av-18.67

Pv = 0.97 × Av + 1.11

Antioxidant content

0.26

0.62

0.99

0.17

0.43

0.96

0.25

0.58

0.99

Pv = 0.98 × Av + 0.63

Pv = 1.02 × Av-0.72

Pv = 0.98 × Av + 0.62

Mold and yeast

0.17

7.52

0.96

0.29

11.92

0.81

0.20

8.40

0.94

Pv = 0.91 × Av + 0.16

Pv = 0.90 × Av + 0.21

Pv = 0.91 × Av + 0.16

Total chlorophylls

0.07

0.58

0.99

0.04

0.36

0.97

0.06

0.54

0.98

Pv = 0.97 × Av + 0.27

Pv = 0.48 × Av + 4.78

Pv = 0.98 × Av + 0.14

Total carotenoids

0.09

0.88

0.98

0.22

2.54

0.98

0.12

1.22

0.98

Pv = 0.98 × Av + 0.15

Pv = 1.06 × Av-0.63

Pv = 1.00 × Av-0.07

Color

0.02

0.23

0.99

0.21

2.26

0.98

0.09

0.63

0.99

Pv = 0.99 × Av + 0.01

Pv = 1.00 × Av-0.21

Pv = 0.99 × Av + 0.01

Odor

0.04

0.39

0.99

0.45

7.21

0.97

0.20

1.75

0.98

Pv = 0.99 × Av + 0.03

Pv = 0.76 × Av + 1.62

Pv = 0.90 × Av + 0.66

Overall acceptances

0.04

0.54

0.99

0.32

3.97

0.90

0.15

1.23

0.98

Pv = 0.99 × Av + 0.02

Pv = 0.95 × Av + 0.38

Pv = 0.99 × Av + 0.06

  1. Pv predicted values, Av actual values.