CSEMP assessment of CB138 in biota at Off Newhaven
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 16.35 | 20.85 | -5.17 | 10.35 | | | |
| linear | 2 | 8.59 | 19.26 | -0.30 | 0.59 | 9.755 | 1 | 0.0018 |
| smooth (df = 2) | 3 | 7.87 | 32.87 | 1.06 | -2.13 | 2.721 | 1 | 0.0990 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2013 | 2.5931 | 2.0764 | -0.5168 | 0.1271 | -4.066 | 0.0097 |
| last 20 years | 2005 | 2013 | 2.5931 | 2.0764 | -0.5168 | 0.1271 | -4.066 | 0.0097 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 7.98 | 0.09 | -4.484 | 0.079 | -56.734 | 1.0000 |
| EAC | 7.98 | 62.13 | 2.053 | 0.079 | 25.973 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
