CSEMP assessment of CB52 in sediment at Fladen Ground
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 34.97 | 43.97 | -14.49 | 28.97 | | | |
| linear | 2 | 26.95 | 58.95 | -9.48 | 18.95 | 10.021 | 1 | 0.0015 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2013 | -1.0516 | -2.1945 | -1.1429 | 0.2541 | -4.498 | 0.0205 |
| last 20 years | 2005 | 2013 | -1.0516 | -2.1945 | -1.1429 | 0.2541 | -4.498 | 0.0205 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.1114 | 0.1200 | 0.074 | 0.162 | 0.459 | 0.3386 |
| EAC | 0.1114 | 2.7000 | 3.188 | 0.162 | 19.737 | 0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
