CSEMP assessment of CB101 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 | 156.92 | 158.12 | -75.46 | 150.92 | | | |
| linear | 2 | 158.25 | 160.53 | -75.12 | 150.25 | 0.672 | 1 | 0.4125 |
| smooth (df = 2) | 3 | 158.62 | 162.47 | -74.31 | 148.62 | 1.626 | 1 | 0.2022 |
| smooth (df = 3) | 4 | 153.66 | 159.66 | -70.83 | 141.66 | 6.965 | 1 | 0.0083 |
| smooth (df = 4) | 5 | 153.82 | 162.73 | -69.91 | 139.82 | 1.836 | 1 | 0.1754 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | -0.1876 | -0.6010 | -0.4134 | 0.5035 | -0.821 | 0.4236 |
| last 20 years | 2000 | 2018 | -0.1876 | -0.6010 | -0.4134 | 0.5035 | -0.821 | 0.4236 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.5483 | 0.1400 | -1.3651 | 0.2857 | -4.778 | 0.9999 |
| EAC | 0.5483 | 3.0000 | 1.6996 | 0.2857 | 5.949 | <0.0001 |
Raw data with supporting information
_sdmn_cb101_au.jpg "Raw data with supporting information for assessment of CB101 in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_cb101_da.jpg "Raw data with assessment of CB101 in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_cb101_as.jpg "Assessment plot for CB101 in sediment at Hunterston (Clyde)")
Chlorobiphenyls data
_sdmn_chlrda.jpg "Chlorobiphenyls data for assessment of CB101 in sediment at Hunterston (Clyde)")
Chlorobiphenyls assessment
_sdmn_chlras.jpg "Chlorobiphenyls assessment of CB101 in sediment at Hunterston (Clyde)")
Related pages
