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 | 155.50 | 156.78 | -74.75 | 149.50 | | | |
| linear | 2 | 156.29 | 158.75 | -74.14 | 148.29 | 1.210 | 1 | 0.2713 |
| smooth (df = 2) | 3 | 157.69 | 161.86 | -73.85 | 147.69 | 0.595 | 1 | 0.4406 |
| smooth (df = 3) | 4 | 158.25 | 164.79 | -73.12 | 146.25 | 1.443 | 1 | 0.2296 |
| smooth (df = 4) | 5 | 157.57 | 167.37 | -71.79 | 143.57 | 2.678 | 1 | 0.1017 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2017 | 0.0192 | 0.3598 | 0.3406 | 0.3018 | 1.129 | 0.2768 |
| last 20 years | 1999 | 2017 | 0.0192 | 0.3598 | 0.3406 | 0.3018 | 1.129 | 0.2768 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.433 | 0.170 | -2.1318 | 0.1638 | -13.016 | 1.0000 |
| EAC | 1.433 | 0.600 | -0.8706 | 0.1638 | -5.316 | 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
