CSEMP assessment of CB118 in biota at Camarthen Bay
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 17.15 | 20.15 | -5.57 | 11.15 | | | |
| linear | 2 | 18.23 | 24.63 | -5.12 | 10.23 | 0.918 | 1 | 0.3381 |
| smooth (df = 2) | 3 | 20.23 | 32.73 | -5.12 | 10.23 | 0.000 | 1 | 0.9883 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2004 | 2016 | 2.0742 | 1.7460 | -0.3282 | 0.3343 | -0.982 | 0.3588 |
| last 20 years | 2004 | 2016 | 2.0742 | 1.7460 | -0.3282 | 0.3343 | -0.982 | 0.3588 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 5.731 | 0.100 | -4.049 | 0.215 | -18.851 | 1.0000 |
| EAC | 5.731 | 4.900 | -0.157 | 0.215 | -0.730 | 0.7554 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
