CSEMP assessment of anthracene 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 | 113.34 | 115.91 | -53.67 | 107.34 | | | |
| linear | 2 | 111.06 | 116.39 | -51.53 | 103.06 | 4.279 | 1 | 0.0386 |
| smooth (df = 2) | 3 | 111.94 | 121.94 | -50.97 | 101.94 | 1.118 | 1 | 0.2904 |
| smooth (df = 3) | 4 | 113.83 | 131.83 | -50.91 | 101.83 | 0.110 | 1 | 0.7403 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 3.1577 | 2.6233 | -0.5344 | 0.2556 | -2.090 | 0.0700 |
| last 20 years | 2009 | 2018 | 3.1577 | 2.6233 | -0.5344 | 0.2556 | -2.090 | 0.0700 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 13.78 | 5.00 | -1.0139 | 0.1578 | -6.426 | 0.9999 |
| ERL | 13.78 | 85.00 | 1.8193 | 0.1578 | 11.531 | <0.0001 |
Raw data with supporting information
__sdmn_ant_au.jpg "Raw data with supporting information for assessment of anthracene in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_ant_da.jpg "Raw data with assessment of anthracene in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_ant_as.jpg "Assessment plot for anthracene in sediment at middle (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of anthracene in sediment at middle (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of anthracene in sediment at middle (Firth of Clyde)")
Related pages
