CSEMP assessment of chrysene 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 | 147.23 | 148.87 | -70.62 | 141.23 | | | |
| linear | 2 | 144.10 | 147.30 | -68.05 | 136.10 | 5.129 | 1 | 0.0235 |
| smooth (df = 2) | 3 | 146.09 | 151.65 | -68.04 | 136.09 | 0.015 | 1 | 0.9037 |
| smooth (df = 3) | 4 | 148.00 | 157.00 | -68.00 | 136.00 | 0.092 | 1 | 0.7617 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2018 | 4.655 | 5.865 | 1.2108 | 0.4856 | 2.494 | 0.0282 |
| last 20 years | 2002 | 2018 | 4.655 | 5.865 | 1.2108 | 0.4856 | 2.494 | 0.0282 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 352.6 | 20.0 | -2.8697 | 0.2604 | -11.019 | 1.0000 |
| ERL | 352.6 | 384.0 | 0.0852 | 0.2604 | 0.327 | 0.3746 |
Raw data with supporting information
__sdmn_chr_au.jpg "Raw data with supporting information for assessment of chrysene in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_chr_da.jpg "Raw data with assessment of chrysene in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_chr_as.jpg "Assessment plot for chrysene in sediment at inner (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of chrysene in sediment at inner (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of chrysene in sediment at inner (Firth of Clyde)")
Related pages
