CSEMP assessment of CB101 in biota at Camarthen Bay
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 70.94 | 73.94 | -32.47 | 64.94 | | | |
| linear | 2 | 70.92 | 77.32 | -31.46 | 62.92 | 2.019 | 1 | 0.1553 |
| smooth (df = 2) | 3 | 70.84 | 83.34 | -30.42 | 60.84 | 2.083 | 1 | 0.1490 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2004 | 2016 | 0.7375 | 1.4936 | 0.7561 | 0.5043 | 1.499 | 0.1774 |
| last 20 years | 2004 | 2016 | 0.7375 | 1.4936 | 0.7561 | 0.5043 | 1.499 | 0.1774 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 4.453 | 0.080 | -4.019 | 0.323 | -12.455 | 1.0000 |
| EAC | 4.453 | 23.716 | 1.673 | 0.323 | 5.183 | 0.0006 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
