Table 4 Statistics of reference values with respect to calibration and prediction data sets.

From: Towards sweetness classification of orange cultivars using short-wave NIR spectroscopy

Dataset

Total samples

Min

Mean

S.D

Brix (oBrix)

TA (%)

Brix:TA ratio

BrimA (%)

Brix (oBrix)

TA (%)

Brix:TA ratio

BrimA (%)

Brix (oBrix)

TA (%)

Brix:TA ratio

BrimA (%)

Dataset1: (Blood red, Mosambi and Succari)

Calibration

128

7.4–13.4

0.14–1.98

5.3–75.63

6.53–12.73

10.37

0.69

24.91

9.68

1.39

0.39

20.89

1.49

Prediction

56

7.3–13.1

0.17–1.5

6.2–65.5

6.56–12.9

10.3

0.62

25.87

9.64

1.36

0.37

19.70

1.55

Total

184

7.3–13.4

0.14–1.98

5.3–75.63

6.53–12.9

10.36

0.67

25.20

9.70

1.39

0.39

20.48

1.52

Dataset2: (Blood red and Mosambi)

Calibration

90

7.4–13.4

0.4–1.98

5.3–22.94

6.53–12.73

10.20

0.89

12.54

9.31

1.52

0.29

4.22

1.53

Prediction

40

7.3–12.1

0.4–1.5

6.2–24.69

6.56–11.61

9.83

0.79

14.17

9.03

1.20

0.30

5.44

1.25

Total

130

7.3–13.4

0.4–1.98

5.3–24.69

6.53–12.73

10.08

0.86

13.05

9.23

1.43

0.3

4.67

1.45