CSEMP assessment of CB52 in sediment at inner (Firth of Forth)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 101.83 | 104.08 | -47.91 | 95.83 | | | |
| linear | 2 | 103.00 | 107.57 | -47.50 | 95.00 | 0.830 | 1 | 0.3622 |
| smooth (df = 2) | 3 | 100.56 | 108.89 | -45.28 | 90.56 | 4.441 | 1 | 0.0351 |
| smooth (df = 3) | 4 | 100.69 | 115.09 | -44.35 | 88.69 | 1.868 | 1 | 0.1717 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2016 | -0.6735 | -1.2493 | -0.5758 | 0.6160 | -0.935 | 0.3743 |
| last 20 years | 1999 | 2016 | -0.6735 | -1.2493 | -0.5758 | 0.6160 | -0.935 | 0.3743 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.2867 | 0.1200 | -0.8709 | 0.3236 | -2.691 | 0.9876 |
| EAC | 0.2867 | 2.7000 | 2.2426 | 0.3236 | 6.929 | <0.0001 |
Raw data with supporting information
__sdmn_cb52_au.jpg "Raw data with supporting information for assessment of CB52 in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_cb52_da.jpg "Raw data with assessment of CB52 in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_cb52_as.jpg "Assessment plot for CB52 in sediment at inner (Firth of Forth)")
Chlorobiphenyls data
__sdmn_chlrda.jpg "Chlorobiphenyls data for assessment of CB52 in sediment at inner (Firth of Forth)")
Chlorobiphenyls assessment
__sdmn_chlras.jpg "Chlorobiphenyls assessment of CB52 in sediment at inner (Firth of Forth)")
Related pages
