CSEMP assessment of anthracene in sediment at inner (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 140.09 | 141.89 | -67.05 | 134.09 | | | |
| linear | 2 | 139.11 | 142.67 | -65.56 | 131.11 | 2.982 | 1 | 0.0842 |
| smooth (df = 2) | 3 | 140.32 | 146.57 | -65.16 | 130.32 | 0.793 | 1 | 0.3732 |
| smooth (df = 3) | 4 | 139.06 | 149.34 | -63.53 | 127.06 | 3.260 | 1 | 0.0710 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2003 | 2018 | 3.876 | 4.860 | 0.9844 | 0.5379 | 1.830 | 0.0944 |
| last 20 years | 2003 | 2018 | 3.876 | 4.860 | 0.9844 | 0.5379 | 1.830 | 0.0944 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 129.08 | 5.00 | -3.251 | 0.284 | -11.428 | 1.0000 |
| ERL | 129.08 | 85.00 | -0.418 | 0.284 | -1.469 | 0.9150 |
Raw data with supporting information
__sdmn_ant_au.jpg "Raw data with supporting information for assessment of anthracene in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_ant_da.jpg "Raw data with assessment of anthracene in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_ant_as.jpg "Assessment plot for anthracene in sediment at inner (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of anthracene in sediment at inner (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of anthracene in sediment at inner (Firth of Clyde)")
Related pages
