CSEMP assessment of CB101 in biota at Forth estuary @ Blackness
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 9.21 | 12.21 | -1.60 | 3.21 | | | |
| linear | 2 | 9.28 | 15.68 | -0.64 | 1.28 | 1.925 | 1 | 0.1653 |
| smooth (df = 2) | 3 | 6.83 | 19.33 | 1.58 | -3.17 | 4.451 | 1 | 0.0349 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2014 | 0.1192 | -0.3269 | -0.4461 | 0.3066 | -1.455 | 0.1890 |
| last 20 years | 1999 | 2014 | 0.1192 | -0.3269 | -0.4461 | 0.3066 | -1.455 | 0.1890 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.7212 | 0.1141 | -1.8438 | 0.1738 | -10.608 | 1.0000 |
| EAC | 0.7212 | 1.5730 | 0.7799 | 0.1738 | 4.487 | 0.0014 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
