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 | 54.52 | 60.52 | -24.26 | 48.52 | | | |
| linear | 2 | 56.33 | 72.33 | -24.16 | 48.33 | 0.188 | 1 | 0.6649 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2001 | 2018 | -2.7695 | -3.0769 | -0.3074 | 0.6683 | -0.460 | 0.6694 |
| last 20 years | 2001 | 2018 | -2.7695 | -3.0769 | -0.3074 | 0.6683 | -0.460 | 0.6694 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.046 | 0.100 | 0.774 | 0.310 | 2.501 | 0.0333 |
| EAC | 0.046 | 12.000 | 5.562 | 0.310 | 17.967 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
