CSEMP assessment of chrysene 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 | 95.94 | 98.19 | -44.97 | 89.94 | | | |
| linear | 2 | 96.55 | 101.12 | -44.27 | 88.55 | 1.392 | 1 | 0.2380 |
| smooth (df = 2) | 3 | 93.02 | 101.35 | -41.51 | 83.02 | 5.531 | 1 | 0.0187 |
| smooth (df = 3) | 4 | 91.51 | 105.91 | -39.76 | 79.51 | 3.504 | 1 | 0.0612 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2008 | 2018 | 4.310 | 4.617 | 0.30707 | 0.24693 | 1.244 | 0.2451 |
| last 20 years | 2008 | 2018 | 4.310 | 4.617 | 0.30707 | 0.24693 | 1.244 | 0.2451 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 101.2 | 20.0 | -1.6211 | 0.1460 | -11.106 | 1.0000 |
| ERL | 101.2 | 384.0 | 1.3338 | 0.1460 | 9.138 | <0.0001 |
Raw data with supporting information
__sdmn_chr_au.jpg "Raw data with supporting information for assessment of chrysene in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_chr_da.jpg "Raw data with assessment of chrysene in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_chr_as.jpg "Assessment plot for chrysene in sediment at middle (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of chrysene in sediment at middle (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of chrysene in sediment at middle (Firth of Clyde)")
Related pages
