CSEMP assessment of CB118 in biota at West Lundy
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 19.62 | 28.62 | -6.81 | 13.62 | | | |
| linear | 2 | 18.59 | 50.59 | -5.30 | 10.59 | 3.028 | 1 | 0.0818 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 1.9697 | 1.1577 | -0.8119 | 0.3952 | -2.055 | 0.1322 |
| last 20 years | 2005 | 2018 | 1.9697 | 1.1577 | -0.8119 | 0.3952 | -2.055 | 0.1322 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 3.183 | 0.100 | -3.460 | 0.205 | -16.859 | 0.9998 |
| EAC | 3.183 | 4.900 | 0.431 | 0.205 | 2.102 | 0.0632 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
