CSEMP assessment of CB156 in sediment at Hunterston (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 94.98 | 97.55 | -44.49 | 88.98 | | | |
| linear | 2 | 96.95 | 102.28 | -44.47 | 88.95 | 0.033 | 1 | 0.8563 |
| smooth (df = 2) | 3 | 97.20 | 107.20 | -43.60 | 87.20 | 1.743 | 1 | 0.1868 |
| smooth (df = 3) | 4 | 97.72 | 115.72 | -42.86 | 85.72 | 1.481 | 1 | 0.2237 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2008 | 2017 | -2.3733 | -2.4937 | -0.1203 | 0.6637 | -0.181 | 0.8606 |
| last 20 years | 2008 | 2017 | -2.3733 | -2.4937 | -0.1203 | 0.6637 | -0.181 | 0.8606 |
Status assessment
No assessment criteria
Raw data with supporting information
_sdmn_cb156_au.jpg "Raw data with supporting information for assessment of CB156 in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_cb156_da.jpg "Raw data with assessment of CB156 in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_cb156_as.jpg "Assessment plot for CB156 in sediment at Hunterston (Clyde)")
Chlorobiphenyls data
_sdmn_chlrda.jpg "Chlorobiphenyls data for assessment of CB156 in sediment at Hunterston (Clyde)")
Chlorobiphenyls assessment
_sdmn_chlras.jpg "Chlorobiphenyls assessment of CB156 in sediment at Hunterston (Clyde)")
Related pages
