CSEMP assessment of CB118 in biota at Flamborough
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 119.73 | 121.73 | -56.86 | 113.73 | | | |
| linear | 2 | 121.29 | 125.29 | -56.64 | 113.29 | 0.436 | 1 | 0.5090 |
| smooth (df = 2) | 3 | 113.81 | 120.95 | -51.90 | 103.81 | 9.481 | 1 | 0.0021 |
| smooth (df = 3) | 4 | 115.00 | 127.00 | -51.50 | 103.00 | 0.805 | 1 | 0.3697 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2017 | 1.1460 | 1.3673 | 0.22131 | 0.23763 | 0.931 | 0.3760 |
| last 20 years | 1999 | 2017 | 1.1460 | 1.3673 | 0.22131 | 0.23763 | 0.931 | 0.3760 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 3.925 | 0.100 | -3.670 | 0.188 | -19.503 | 1.0000 |
| EAC | 3.925 | 4.900 | 0.222 | 0.188 | 1.179 | 0.1343 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
