CSEMP assessment of naphthalene 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 | 28.15 | 31.75 | -11.07 | 22.15 | | | |
| linear | 2 | 30.06 | 38.06 | -11.03 | 22.06 | 0.087 | 1 | 0.7675 |
| smooth (df = 2) | 3 | 26.99 | 43.66 | -8.49 | 16.99 | 5.071 | 1 | 0.0243 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2014 | 0.9148 | 1.3053 | 0.3905 | 1.3139 | 0.297 | 0.7763 |
| last 20 years | 2005 | 2014 | 0.9148 | 1.3053 | 0.3905 | 1.3139 | 0.297 | 0.7763 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| EAC | 3.69 | 55.42 | 2.7097 | 0.7539 | 3.594 | 0.0057 |
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (parent) data
da.jpg "PAH (parent) data for assessment of naphthalene in biota at Forth estuary @ Blackness")
PAH (parent) assessment
as.jpg "PAH (parent) assessment of naphthalene in biota at Forth estuary @ Blackness")
Related pages
