CSEMP assessment of CB118 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 | 20.41 | 24.01 | -7.20 | 14.41 | | | |
| linear | 2 | 20.63 | 28.63 | -6.32 | 12.63 | 1.774 | 1 | 0.1829 |
| smooth (df = 2) | 3 | 14.09 | 30.75 | -2.04 | 4.09 | 8.547 | 1 | 0.0035 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2004 | 2014 | -1.0371 | -0.3331 | 0.7040 | 0.4334 | 1.624 | 0.1554 |
| last 20 years | 2004 | 2014 | -1.0371 | -0.3331 | 0.7040 | 0.4334 | 1.624 | 0.1554 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.7167 | 0.0978 | -1.9917 | 0.2541 | -7.837 | 0.9999 |
| EAC | 0.7167 | 0.3250 | -0.7908 | 0.2541 | -3.112 | 0.9896 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
