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 | 7.03 | 16.03 | -0.51 | 1.03 | | | |
| linear | 2 | 7.92 | 39.92 | 0.04 | -0.08 | 1.113 | 1 | 0.2913 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2017 | -1.7651 | -1.6230 | 0.14209 | 0.13475 | 1.054 | 0.3691 |
| last 20 years | 2002 | 2017 | -1.7651 | -1.6230 | 0.14209 | 0.13475 | 1.054 | 0.3691 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.197 | 0.098 | -0.702 | 0.048 | -14.709 | 0.9997 |
| EAC | 0.197 | 6.097 | 3.431 | 0.048 | 71.904 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
