PCs | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Temp | −0.19 | 0.31 | 0.05 | −0.23 | 0.44 | 0.40 | 0.55 | −0.29 | 0.25 | 0.04 | 0.07 | −0.01 | 0.00 |
pH | −0.16 | −0.01 | 0.43 | 0.56 | −0.05 | 0.40 | −0.07 | −0.15 | −0.19 | −0.50 | 0.02 | 0.00 | 0.00 |
TDS | −0.22 | 0.46 | 0.15 | 0.16 | 0.00 | −0.42 | − 0.01 | 0.04 | 0.12 | −0.02 | 0.01 | 0.02 | 0.71 |
EC | −0.22 | 0.46 | 0.14 | 0.17 | 0.00 | −0.42 | − 0.01 | 0.04 | 0.12 | −0.02 | 0.01 | 0.02 | −0.71 |
TSS | −0.33 | − 0.25 | 0.24 | 0.26 | 0.11 | 0.23 | −0.20 | 0.30 | 0.45 | 0.53 | − 0.13 | 0.04 | 0.00 |
DO | 0.44 | 0.19 | 0.19 | − 0.06 | − 0.01 | 0.11 | − 0.09 | 0.07 | 0.18 | −0.03 | − 0.05 | 0.82 | 0.00 |
BOD | 0.43 | 0.23 | 0.12 | −0.01 | 0.09 | 0.10 | −0.09 | 0.10 | 0.19 | −0.11 | −0.68 | − 0.44 | 0.00 |
COD | 0.32 | 0.05 | −0.13 | 0.54 | 0.04 | −0.07 | 0.13 | −0.50 | −0.18 | 0.53 | −0.05 | 0.01 | 0.00 |
N-NH4+ | 0.42 | 0.17 | 0.30 | −0.04 | − 0.04 | 0.11 | − 0.18 | 0.09 | 0.18 | 0.11 | 0.69 | −0.37 | 0.00 |
NO2−-N | −0.07 | 0.16 | −0.63 | 0.17 | −0.21 | 0.21 | −0.33 | −0.23 | 0.50 | −0.21 | 0.09 | 0.01 | 0.00 |
N-NO3− | −0.04 | 0.42 | −0.27 | 0.14 | −0.31 | 0.38 | 0.23 | 0.54 | −0.33 | 0.19 | 0.01 | 0.00 | 0.00 |
Fe | 0.24 | −0.29 | −0.18 | 0.40 | 0.18 | −0.24 | 0.52 | 0.37 | 0.30 | −0.27 | 0.13 | −0.01 | 0.00 |
Cl− | 0.02 | 0.11 | −0.25 | 0.11 | 0.78 | 0.02 | −0.41 | 0.20 | −0.28 | −0.05 | 0.09 | 0.04 | 0.00 |
Eigen. | 4.1 | 2.9 | 1.7 | 1.4 | 1.2 | 0.6 | 0.4 | 0.3 | 0.2 | 0.2 | 0.0 | 0.0 | 0.0 |
%Var. | 31.8 | 22.4 | 13.2 | 10.5 | 9.3 | 4.6 | 3.1 | 2.1 | 1.5 | 1.2 | 0.2 | 0.0 | 0.0 |
C%Var. | 31.8 | 54.2 | 67.4 | 77.9 | 87.3 | 91.8 | 95.0 | 97.1 | 98.6 | 99.8 | 100.0 | 100.0 | 100.0 |