CSEMP assessment of CB28 in sediment at North Minch
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 62.87 | 68.87 | -28.43 | 56.87 | | | |
| linear | 2 | 64.36 | 80.36 | -28.18 | 56.36 | 0.508 | 1 | 0.4760 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2007 | 2018 | -3.491 | -2.528 | 0.9623 | 1.3225 | 0.728 | 0.5071 |
| last 20 years | 2007 | 2018 | -3.491 | -2.528 | 0.9623 | 1.3225 | 0.728 | 0.5071 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.0798 | 0.2200 | 1.0143 | 0.7840 | 1.294 | 0.1327 |
| EAC | 0.0798 | 1.7000 | 3.0590 | 0.7840 | 3.902 | 0.0088 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
