Table 7.
Canonical correlation analysis of the data set.
| Canonical variates | 1 | 2 |
|---|---|---|
| Canonical correlation | 0.841 | 0.660 |
| Chi-square | 620 | 311 |
| Degree of freedom | 24 | 11 |
| Significant level | 0.000 | 0.000 |
|
| ||
| Biological parameter (unit) | ||
| E. coli (cfu/100 ml) | −0.975 | −0.276 |
| Total coliform (cfu/100 ml) | −0.118 | 1.006 |
|
| ||
| Physicochemical parameter (unit) | ||
| Turbidity (NTU) | 0.100 | 0.024 |
| Dissolved solid (mg/l) | −0.212 | 0.097 |
| Electrical conductivity (uS) | 0.464 | −0.527 |
| Salinity (ppt) | −0.404 | 0.264 |
| Dissolved oxygen (mg/l) | 0.724 | 0.311 |
| Biochemical oxygen demand (mg/l) | −0.211 | 0.037 |
| Chemical oxygen demand (mg/l) | −0.128 | −0.092 |
| Total suspended solid (mg/l) | 0.118 | −0.377 |
| Arsenic (mg/l) | −0.016 | 0.246 |
| Mercury (mg/l) | 0.176 | 0.518 |
| Zinc (mg/l) | −0.173 | 0.623 |
| Iron (mg/l) | 0.197 | −0.098 |