CSEMP assessment of CB138 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 | 74.75 | 83.75 | -34.37 | 68.75 | | | |
| linear | 2 | 76.68 | 108.68 | -34.34 | 68.68 | 0.063 | 1 | 0.8026 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2001 | 2017 | -2.8231 | -3.1461 | -0.3230 | 1.2463 | -0.259 | 0.8123 |
| last 20 years | 2001 | 2017 | -2.8231 | -3.1461 | -0.3230 | 1.2463 | -0.259 | 0.8123 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.043 | 0.150 | 1.249 | 0.604 | 2.068 | 0.0652 |
| EAC | 0.043 | 7.900 | 5.213 | 0.604 | 8.631 | 0.0016 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
