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 | 64.50 | 73.50 | -29.25 | 58.50 | | | |
| linear | 2 | 66.46 | 98.46 | -29.23 | 58.46 | 0.048 | 1 | 0.8260 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | -2.7427 | -2.2461 | 0.4966 | 2.1832 | 0.227 | 0.8347 |
| last 20 years | 2005 | 2018 | -2.7427 | -2.2461 | 0.4966 | 2.1832 | 0.227 | 0.8347 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.1058 | 0.1200 | 0.126 | 1.563 | 0.081 | 0.4705 |
| EAC | 0.1058 | 2.7000 | 3.239 | 1.563 | 2.073 | 0.0650 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
