CSEMP assessment of CB52 in biota at New Brighton (Mersey)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 17.49 | 23.49 | -5.75 | 11.49 | | | |
| linear | 2 | 18.28 | 34.28 | -5.14 | 10.28 | 1.219 | 1 | 0.2696 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2018 | -0.9383 | -0.2834 | 0.6549 | 0.5880 | 1.114 | 0.3278 |
| last 20 years | 2002 | 2018 | -0.9383 | -0.2834 | 0.6549 | 0.5880 | 1.114 | 0.3278 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.7532 | 0.1223 | -1.8183 | 0.3377 | -5.384 | 0.9971 |
| EAC | 0.7532 | 1.4040 | 0.6227 | 0.3377 | 1.844 | 0.0695 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
