CSEMP assessment of chrysene 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 | 21.76 | 25.36 | -7.88 | 15.76 | | | |
| linear | 2 | 23.59 | 31.59 | -7.79 | 15.59 | 0.171 | 1 | 0.6789 |
| smooth (df = 2) | 3 | 24.82 | 41.49 | -7.41 | 14.82 | 0.765 | 1 | 0.3818 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2001 | 2014 | 2.1289 | 1.7678 | -0.3611 | 0.8729 | -0.414 | 0.6935 |
| last 20 years | 2001 | 2014 | 2.1289 | 1.7678 | -0.3611 | 0.8729 | -0.414 | 0.6935 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 5.858 | 1.320 | -1.4900 | 0.4053 | -3.676 | 0.9948 |
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (parent) data
da.jpg "PAH (parent) data for assessment of chrysene in biota at Forth estuary @ Blackness")
PAH (parent) assessment
as.jpg "PAH (parent) assessment of chrysene in biota at Forth estuary @ Blackness")
Related pages
