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 | 19.86 | 28.86 | -6.93 | 13.86 | | | |
| linear | 2 | 20.32 | 52.32 | -6.16 | 12.32 | 1.538 | 1 | 0.2149 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2017 | -1.0130 | -0.1864 | 0.8266 | 0.6452 | 1.281 | 0.2902 |
| last 20 years | 2002 | 2017 | -1.0130 | -0.1864 | 0.8266 | 0.6452 | 1.281 | 0.2902 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.8300 | 0.1223 | -1.9153 | 0.3883 | -4.933 | 0.9920 |
| EAC | 0.8300 | 1.4040 | 0.5257 | 0.3883 | 1.354 | 0.1344 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
