CSEMP assessment of CB138 in biota at Amble
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 65.95 | 68.95 | -29.97 | 59.95 | | | |
| linear | 2 | 67.86 | 74.26 | -29.93 | 59.86 | 0.087 | 1 | 0.7675 |
| smooth (df = 2) | 3 | 69.13 | 81.63 | -29.56 | 59.13 | 0.735 | 1 | 0.3912 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2013 | 2.2602 | 2.1907 | -0.06947 | 0.23428 | -0.297 | 0.7754 |
| last 20 years | 1999 | 2013 | 2.2602 | 2.1907 | -0.06947 | 0.23428 | -0.297 | 0.7754 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 8.94 | 0.09 | -4.599 | 0.134 | -34.404 | 1.0000 |
| EAC | 8.94 | 62.13 | 1.939 | 0.134 | 14.503 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
