Table 1 Statistics of our total, training, and testing datasets in our experiment.

From: Estimation of soil free Iron content using spectral reflectance and machine learning algorithms

 

Number

Mean

Max

Min

Range

Median

Skewness

Kurtosis

Q1

Q3

(g/kg)

(g/kg)

(g/kg)

(g/kg)

(g/kg)

(g/kg)

(g/kg)

Total

540

21.97

60.3

4.07

56.22

19.96

1.13

1.09

13.55

26.88

Training

360

22.17

60.3

4.49

55.81

19.99

1.16

1.13

13.67

26.92

Testing

180

21.57

56.44

4.07

52.37

19.82

1.06

0.99

13.47

26.62