CSEMP assessment of CB180 in biota at West Lundy
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 42.72 | 51.72 | -18.36 | 36.72 | | | |
| linear | 2 | 43.36 | 75.36 | -17.68 | 35.36 | 1.357 | 1 | 0.2440 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 2.5244 | 1.7187 | -0.8057 | 0.6433 | -1.252 | 0.2992 |
| last 20 years | 2005 | 2018 | 2.5244 | 1.7187 | -0.8057 | 0.6433 | -1.252 | 0.2992 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 5.58 | 0.11 | -3.926 | 0.333 | -11.777 | 0.9993 |
| EAC | 5.58 | 91.92 | 2.802 | 0.333 | 8.406 | 0.0018 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
