CSEMP assessment of CB105 in sediment at Holy Loch (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 26.28 | 29.88 | -10.14 | 20.28 | | | |
| linear | 2 | 28.23 | 36.23 | -10.11 | 20.23 | 0.052 | 1 | 0.8200 |
| smooth (df = 2) | 3 | 30.01 | 46.68 | -10.01 | 20.01 | 0.214 | 1 | 0.6437 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2008 | 2018 | 0.09551 | 0.27950 | 0.1840 | 0.8056 | 0.228 | 0.8269 |
| last 20 years | 2008 | 2018 | 0.09551 | 0.27950 | 0.1840 | 0.8056 | 0.228 | 0.8269 |
Status assessment
No assessment criteria
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
