Table 2 Training sample data.
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 |