CSEMP assessment of phenanthrene in sediment at middle (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 114.26 | 116.26 | -54.13 | 108.26 | | | |
| linear | 2 | 113.53 | 117.53 | -52.77 | 105.53 | 2.729 | 1 | 0.0985 |
| smooth (df = 2) | 3 | 113.89 | 121.03 | -51.94 | 103.89 | 1.646 | 1 | 0.1996 |
| smooth (df = 3) | 4 | 115.53 | 127.53 | -51.77 | 103.53 | 0.355 | 1 | 0.5512 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2017 | 4.085 | 4.646 | 0.5609 | 0.3345 | 1.677 | 0.1246 |
| last 20 years | 2006 | 2017 | 4.085 | 4.646 | 0.5609 | 0.3345 | 1.677 | 0.1246 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 104.21 | 32.00 | -1.1807 | 0.1829 | -6.455 | 1.0000 |
| ERL | 104.21 | 240.00 | 0.8342 | 0.1829 | 4.561 | 0.0005 |
Raw data with supporting information
__sdmn_pa_au.jpg "Raw data with supporting information for assessment of phenanthrene in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_pa_da.jpg "Raw data with assessment of phenanthrene in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_pa_as.jpg "Assessment plot for phenanthrene in sediment at middle (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of phenanthrene in sediment at middle (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of phenanthrene in sediment at middle (Firth of Clyde)")
Related pages
