CSEMP assessment of CB180 in sediment at Bann Estuary
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 47.65 | 56.65 | -20.83 | 41.65 | | | |
| linear | 2 | 48.68 | 80.68 | -20.34 | 40.68 | 0.977 | 1 | 0.3230 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2001 | 2017 | -2.568 | -3.296 | -0.7277 | 0.6403 | -1.136 | 0.3383 |
| last 20 years | 2001 | 2017 | -2.568 | -3.296 | -0.7277 | 0.6403 | -1.136 | 0.3383 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.037 | 0.100 | 0.993 | 0.308 | 3.226 | 0.0242 |
| EAC | 0.037 | 12.000 | 5.781 | 0.308 | 18.770 | 0.0002 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
