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 | 197.14 | 198.34 | -95.57 | 191.14 | | | |
| linear | 2 | 198.59 | 200.88 | -95.30 | 190.59 | 0.549 | 1 | 0.4586 |
| smooth (df = 2) | 3 | 200.34 | 204.18 | -95.17 | 190.34 | 0.259 | 1 | 0.6111 |
| smooth (df = 3) | 4 | 201.68 | 207.68 | -94.84 | 189.68 | 0.655 | 1 | 0.4184 |
| smooth (df = 4) | 5 | 201.15 | 210.06 | -93.57 | 187.15 | 2.532 | 1 | 0.1116 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | -0.08351 | 0.16672 | 0.2502 | 0.3337 | 0.750 | 0.4642 |
| last 20 years | 1999 | 2018 | -0.08351 | 0.16672 | 0.2502 | 0.3337 | 0.750 | 0.4642 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.1814 | 0.1400 | -2.1328 | 0.1817 | -11.735 | 1.0000 |
| EAC | 1.1814 | 3.0000 | 0.9319 | 0.1817 | 5.127 | <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
