CSEMP assessment of CB118 in biota at South Eddystone
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 9.77 | 12.77 | -1.89 | 3.77 | | | |
| linear | 2 | 9.93 | 16.33 | -0.96 | 1.93 | 1.845 | 1 | 0.1744 |
| smooth (df = 2) | 3 | 11.84 | 24.34 | -0.92 | 1.84 | 0.085 | 1 | 0.7703 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 1.6162 | 1.1114 | -0.5048 | 0.3530 | -1.430 | 0.1957 |
| last 20 years | 2005 | 2018 | 1.6162 | 1.1114 | -0.5048 | 0.3530 | -1.430 | 0.1957 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 3.039 | 0.100 | -3.414 | 0.225 | -15.202 | 1.0000 |
| EAC | 3.039 | 4.900 | 0.478 | 0.225 | 2.128 | 0.0354 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
