CSEMP assessment of CB101 in biota at Tees Bay
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 106.83 | 109.83 | -50.41 | 100.83 | | | |
| linear | 2 | 106.35 | 112.75 | -49.18 | 98.35 | 2.476 | 1 | 0.1156 |
| smooth (df = 2) | 3 | 107.59 | 120.09 | -48.80 | 97.59 | 0.758 | 1 | 0.3841 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2001 | 2017 | -0.8751 | 0.2153 | 1.0904 | 0.6727 | 1.621 | 0.1491 |
| last 20 years | 2001 | 2017 | -0.8751 | 0.2153 | 1.0904 | 0.6727 | 1.621 | 0.1491 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.240 | 0.080 | -2.7411 | 0.3673 | -7.463 | 0.9999 |
| EAC | 1.240 | 23.716 | 2.9508 | 0.3673 | 8.034 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
