Table 2 Training sample data.

From: Identification of mine water sources using a multi-dimensional ion-causative nonlinear algorithmic model

No

Source of water sample

Ion concentration (mmol·L–1)

Na+

Ca2+

Mg2+

Cl–

SO42–

HCO3–

1

I

11.05

66.34

22.23

1.50

81.28

17.21

2

I

4.36

54.83

40.66

2.68

66.49

30.83

3

I

10.70

54.64

34.18

11.31

70.14

17.54

4

I

5.86

48.45

45.06

1.79

81.84

16.37

5

I

8.91

53.43

37.46

8.45

60.47

31.08

6

I

6.05

54.13

38.71

1.81

76.57

21.62

7

I

5.69

51.70

41.83

1.65

81.41

16.85

8

I

18.02

40.9

40.82

1.75

81.83

16.25

9

I

6.95

44.44

48.09

1.44

85.55

13.00

10

I

2.54

50.85

45.59

2.46

83.76

13.78

11

I

6.09

49.63

43.92

1.58

81.75

16.67

12

I

7.62

49.75

42.40

1.66

81.88

16.46

13

I

7.86

48.59

43.20

1.54

82.39

16.07

14

I

11.81

49.18

37.87

3.08

71.87

21.70

15

I

12.36

52.11

34.83

2.92

72.30

22.78

16

II

6.93

57.86

39.66

4.47

53.01

41.86

17

II

6.52

59.38

40.44

5.61

51.80

41.70

18

II

5.53

60.29

38.49

4.60

50.74

44.62

19

II

12.49

60.85

24.98

12.57

23.62

52.27

20

II

6.26

58.53

39.73

5.19

49.24

42.23

21

II

4.72

61.35

33.83

3.26

48.6

48.13

22

II

6.14

58.45

35.16

3.22

49.56

47.21

23

II

10.46

64.28

24.96

13.06

15.71

60.34

24

II

11.15

67.79

21.06

11.36

19.93

58.08

25

II

11.88

66.20

21.91

13.77

25.31

51.48

26

II

8.8

65.27

24.18

11.16

14.74

61.63

27

III

5.97

54.01

39.52

9.22

13.66

76.64

28

III

8.13

55.92

35.51

9.36

11.97

78.18

29

III

9.74

51.28

38.29

8.45

13.95

76.99

30

III

8.36

52.14

39.12

9.41

13.57

76.96

31

III

13.28

49.67

37.85

10.03

12.43

77.05

32

III

9.85

52.61

36.57

8.44

15.71

75.23

33

III

10.31

51.09

38.00

8.65

14.66

76.08

34

III

9.46

52.49

37.5

8.77

12.88

77.79

35

III

7.71

55.31

36.37

8.67

13.17

77.79

36

III

9.41

50.43

38.87

8.42

14.59

76.60

37

III

12.9

50.31

36.22

9.04

12.34

78.23

38

III

15.11

47.81

36.85

8.4

13.81

77.49

39

III

12.96

48.26

38.24

9.65

13.88

76.17

40

III

9.69

52.50

37.16

9.48

10.86

79.58

41

IV

5.92

61.89

31.72

8.61

15.95

70.99

42

IV

8.35

58.11

33.54

8.75

15.54

71.92

43

IV

9.6

60.39

30.01

8.65

16.38

71.43

44

IV

8.43

58.21

30.85

8.70

14.12

71.22

45

IV

9.27

57.23

30.50

8.77

15.92

70.80

46

IV

8.08

60.91

31.01

8.56

15.44

72.94

47

IV

8.43

59.97

31.55

8.95

16.16

71.80

48

IV

8.16

58.08

33.76

8.87

14.91

72.26

49

IV

5.58

64.36

29.94

8.8

16.42

71.25

50

IV

7.77

57.13

34.88

9.03

13.32

74.16

51

IV

8.80

57.50

33.62

9.94

15.30

70.81

52

IV

4.63

58.01

37.36

10.96

17.03

69.47

53

IV

3.78

61.88

34.32

5.71

16.71

73.42

54

IV

9.4

59.29

30.95

9.54

15.3

71.23

55

IV

2.92

61.30

35.78

9.56

15.85

71.05

56

IV

7.33

60.34

32.33

8.61

16.4

70.84