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 | 106.15 | 108.40 | -50.08 | 100.15 | | | |
| linear | 2 | 108.15 | 112.72 | -50.08 | 100.15 | 0.003 | 1 | 0.9576 |
| smooth (df = 2) | 3 | 108.41 | 116.75 | -49.21 | 98.41 | 1.739 | 1 | 0.1872 |
| smooth (df = 3) | 4 | 110.16 | 124.56 | -49.08 | 98.16 | 0.253 | 1 | 0.6152 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2008 | 2018 | -2.4024 | -2.4344 | -0.0320 | 0.6016 | -0.053 | 0.9588 |
| last 20 years | 2008 | 2018 | -2.4024 | -2.4344 | -0.0320 | 0.6016 | -0.053 | 0.9588 |
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
