CSEMP assessment of CB101 in biota at Camarthen Bay
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 80.04 | 82.61 | -37.02 | 74.04 | | | |
| linear | 2 | 80.15 | 85.49 | -36.08 | 72.15 | 1.884 | 1 | 0.1698 |
| smooth (df = 2) | 3 | 79.92 | 89.92 | -34.96 | 69.92 | 2.238 | 1 | 0.1346 |
| smooth (df = 3) | 4 | 79.44 | 97.44 | -33.72 | 67.44 | 2.478 | 1 | 0.1155 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2004 | 2018 | 0.7917 | 1.4612 | 0.6695 | 0.4665 | 1.435 | 0.1892 |
| last 20 years | 2004 | 2018 | 0.7917 | 1.4612 | 0.6695 | 0.4665 | 1.435 | 0.1892 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 4.311 | 0.080 | -3.987 | 0.299 | -13.333 | 1.0000 |
| EAC | 4.311 | 23.716 | 1.705 | 0.299 | 5.702 | 0.0002 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
