CSEMP assessment of anthracene 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 | 21.90 | 26.40 | -7.95 | 15.90 | | | |
| linear | 2 | 23.88 | 34.55 | -7.94 | 15.88 | 0.020 | 1 | 0.8868 |
| smooth (df = 2) | 3 | 25.59 | 50.59 | -7.79 | 15.59 | 0.293 | 1 | 0.5886 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2014 | 0.19706 | 0.30454 | 0.1075 | 0.7523 | 0.143 | 0.8920 |
| last 20 years | 2005 | 2014 | 0.19706 | 0.30454 | 0.1075 | 0.7523 | 0.143 | 0.8920 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| EAC | 1.36 | 47.27 | 3.551 | 0.429 | 8.273 | 0.0002 |
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (parent) data
da.jpg "PAH (parent) data for assessment of anthracene in biota at Forth estuary @ Blackness")
PAH (parent) assessment
as.jpg "PAH (parent) assessment of anthracene in biota at Forth estuary @ Blackness")
Related pages
