Parameter | Factor-I | Factor-II | Factor-III | Factor-IV | Factor-V |
T (˚C) | −0.19 | 0.27 | 0.05 | −0.86 | −0.23 |
pH | 0.15 | 0.03 | 0.06 | 0.07 | 0.84 |
EC | 0.14 | −0.05 | 0.02 | 0.02 | 0.97 |
TDS | 0.74 | −0.05 | 0.07 | 0.02 | 0.65 |
Water table | −0.04 | 0.05 | 0.88 | 0.34 | −0.15 |
Depth of tube | −0.21 | 0.57 | 0.65 | −0.36 | −0.02 |
Life of tube | −0.11 | −0.90 | −0.19 | −0.13 | 0.17 |
Al | 0.27 | −0.92 | 0.13 | 0.13 | −0.04 |
Fe | −0.14 | −0.50 | 0.20 | 0.59 | −0.39 |
Mn | 0.63 | 0.50 | 0.07 | 0.12 | 0.42 |
Zn | 0.60 | 0.01 | −0.43 | 0.14 | 0.64 |
Na+ | 0.16 | −0.19 | 0.89 | −0.17 | 0.29 |
K+ | 0.41 | 0.07 | −0.21 | 0.20 | 0.78 |
Mg2+ | 0.69 | 0.01 | −0.28 | 0.08 | 0.63 |
Ca2+ | 0.81 | 0.01 | −0.33 | 0.12 | 0.46 |
| −0.05 | 0.38 | 0.01 | 0.81 | 0.18 |
F− | −0.40 | 0.20 | 0.82 | 0.01 | −0.30 |
Cl− | 0.92 | −0.09 | 0.17 | −0.05 | 0.27 |
| 0.44 | 0.47 | 0.07 | 0.01 | 0.53 |
| 0.99 | −0.09 | −0.09 | −0.03 | −0.02 |
Alkalinity | 0.23 | 0.00 | −0.04 | 0.02 | 0.92 |
Hardness | 0.76 | 0.01 | −0.31 | 0.11 | 0.54 |
Eigenvalues | 9.99 | 3.54 | 2.62 | 1.97 | 1.80 |
% Explained variance | 45.45 | 16.09 | 11.94 | 8.99 | 8.2 |
% Cumulative of variance | 45.45 | 61.54 | 73.48 | 82.47 | 90.67 |