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Table 18
Excursion correlation coefficient for the Newfoundland and Labrador dataset

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Aluminum
Chloride
Copper
Dissolved oxygen
Iron
Lead
pH
Phosphorus
Zinc
Aluminum
...
−0.011
0.001
0.031
0.271
0.071
0.241
0.071
−0.081
Chloride
−0.132
...
0.321
−0.011
0.181
−0.011
−0.021
0.021
0.501
Copper
−0.152
0.342
...
0.011
0.221
0.101
−0.031
0.171
0.341
Dissolved oxygen
0.002
−0.012
0.012
...
0.021
0.011
0.001
0.001
0.001
Iron
0.372
0.082
0.122
0.012
...
0.091
0.011
0.311
0.211
Lead
0.512
−0.182
0.022
0.032
0.132
...
0.011
0.021
0.201
pH
0.772
−0.162
−0.202
0.002
0.152
0.572
...
−0.011
−0.061
Phosphorus
0.002
0.142
0.222
−0.012
0.112
−0.042
−0.092
...
0.181
Zinc
−0.222
0.552
0.592
0.012
0.142
−0.082
−0.282
0.322
...
Notes:
1. The values above the diagonal represent Pearson’s correlation coefficients.
2. The values above the diagonal represent Spearman’s correlation coefficients.
The nickel parameter is not shown in the table since its compliance percentage is 100%.
Data source: Data come from federal, provincial and joint water quality surveillance programs.
Table source: Statistics Canada, 2007, Environment Accounts and Statistics Technical Paper Series, volume 2007, number 3, Behaviour Study on the Water Quality Index of the Canadian Council of Ministers of the Environment, catalogue number 16-001-MWE.