CSEMP assessment of CB101 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 | 188.58 | 189.87 | -91.29 | 182.58 | | | |
| linear | 2 | 190.11 | 192.57 | -91.05 | 182.11 | 0.471 | 1 | 0.4926 |
| smooth (df = 2) | 3 | 191.86 | 196.02 | -90.93 | 181.86 | 0.254 | 1 | 0.6145 |
| smooth (df = 3) | 4 | 192.65 | 199.20 | -90.33 | 180.65 | 1.203 | 1 | 0.2727 |
| smooth (df = 4) | 5 | 192.61 | 202.41 | -89.31 | 178.61 | 2.038 | 1 | 0.1534 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2017 | -0.08624 | 0.15653 | 0.2428 | 0.3504 | 0.693 | 0.4990 |
| last 20 years | 1999 | 2017 | -0.08624 | 0.15653 | 0.2428 | 0.3504 | 0.693 | 0.4990 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.1694 | 0.1400 | -2.1226 | 0.1904 | -11.148 | 1.0000 |
| EAC | 1.1694 | 3.0000 | 0.9421 | 0.1904 | 4.948 | <0.0001 |
Raw data with supporting information
__sdmn_cb101_au.jpg "Raw data with supporting information for assessment of CB101 in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_cb101_da.jpg "Raw data with assessment of CB101 in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_cb101_as.jpg "Assessment plot for CB101 in sediment at inner (Firth of Clyde)")
Chlorobiphenyls data
__sdmn_chlrda.jpg "Chlorobiphenyls data for assessment of CB101 in sediment at inner (Firth of Clyde)")
Chlorobiphenyls assessment
__sdmn_chlras.jpg "Chlorobiphenyls assessment of CB101 in sediment at inner (Firth of Clyde)")
Related pages
