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 | 10.43 | 14.03 | -2.22 | 4.43 | | | |
| linear | 2 | 10.81 | 18.81 | -1.41 | 2.81 | 1.621 | 1 | 0.2030 |
| smooth (df = 2) | 3 | 12.10 | 28.76 | -1.05 | 2.10 | 0.715 | 1 | 0.3979 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2016 | 1.6456 | 1.1233 | -0.5223 | 0.3900 | -1.339 | 0.2289 |
| last 20 years | 2005 | 2016 | 1.6456 | 1.1233 | -0.5223 | 0.3900 | -1.339 | 0.2289 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 3.075 | 0.100 | -3.426 | 0.248 | -13.830 | 1.0000 |
| EAC | 3.075 | 4.900 | 0.466 | 0.248 | 1.881 | 0.0545 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
