CSEMP assessment of CB180 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 | 9.65 | 18.65 | -1.83 | 3.65 | | | |
| linear | 2 | 11.10 | 43.10 | -1.55 | 3.10 | 0.554 | 1 | 0.4566 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2018 | -1.7525 | -1.6544 | 0.09803 | 0.13171 | 0.744 | 0.5107 |
| last 20 years | 2002 | 2018 | -1.7525 | -1.6544 | 0.09803 | 0.13171 | 0.744 | 0.5107 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.191 | 0.098 | -0.670 | 0.043 | -15.510 | 0.9997 |
| EAC | 0.191 | 6.097 | 3.462 | 0.043 | 80.099 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
