CSEMP assessment of CB118 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 | 162.02 | 163.22 | -78.01 | 156.02 | | | |
| linear | 2 | 162.70 | 164.98 | -77.35 | 154.70 | 1.325 | 1 | 0.2497 |
| smooth (df = 2) | 3 | 164.03 | 167.88 | -77.02 | 154.03 | 0.665 | 1 | 0.4148 |
| smooth (df = 3) | 4 | 165.25 | 171.25 | -76.62 | 153.25 | 0.784 | 1 | 0.3759 |
| smooth (df = 4) | 5 | 164.02 | 172.93 | -75.01 | 150.02 | 3.224 | 1 | 0.0726 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | 0.0269 | 0.3667 | 0.3398 | 0.2880 | 1.180 | 0.2552 |
| last 20 years | 1999 | 2018 | 0.0269 | 0.3667 | 0.3398 | 0.2880 | 1.180 | 0.2552 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.443 | 0.170 | -2.1387 | 0.1566 | -13.653 | 1.0000 |
| EAC | 1.443 | 0.600 | -0.8775 | 0.1566 | -5.602 | 1.0000 |
Raw data with supporting information
__sdmn_cb118_au.jpg "Raw data with supporting information for assessment of CB118 in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_cb118_da.jpg "Raw data with assessment of CB118 in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_cb118_as.jpg "Assessment plot for CB118 in sediment at inner (Firth of Clyde)")
Chlorobiphenyls data
__sdmn_chlrda.jpg "Chlorobiphenyls data for assessment of CB118 in sediment at inner (Firth of Clyde)")
Chlorobiphenyls assessment
__sdmn_chlras.jpg "Chlorobiphenyls assessment of CB118 in sediment at inner (Firth of Clyde)")
Related pages
