CSEMP assessment of pyrene 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 | 26.10 | 28.35 | -10.05 | 20.10 | | | |
| linear | 2 | 27.68 | 32.25 | -9.84 | 19.68 | 0.422 | 1 | 0.5157 |
| smooth (df = 2) | 3 | 28.15 | 36.49 | -9.08 | 18.15 | 1.527 | 1 | 0.2166 |
| smooth (df = 3) | 4 | 30.02 | 44.42 | -9.01 | 18.02 | 0.129 | 1 | 0.7191 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2001 | 2014 | 2.5897 | 2.0785 | -0.5111 | 0.7785 | -0.657 | 0.5279 |
| last 20 years | 2001 | 2014 | 2.5897 | 2.0785 | -0.5111 | 0.7785 | -0.657 | 0.5279 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 7.993 | 1.467 | -1.6953 | 0.3838 | -4.417 | 0.9992 |
| EAC | 7.993 | 16.300 | 0.7126 | 0.3838 | 1.857 | 0.0481 |
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (parent) data
da.jpg "PAH (parent) data for assessment of pyrene in biota at Forth estuary @ Blackness")
PAH (parent) assessment
as.jpg "PAH (parent) assessment of pyrene in biota at Forth estuary @ Blackness")
Related pages
