CSEMP assessment of CB138 in biota at Tynemouth
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 16.63 | 20.63 | -6.32 | 12.63 | | | |
| linear | 2 | 18.60 | 30.60 | -6.30 | 12.60 | 0.035 | 1 | 0.8513 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2015 | -0.5700 | -0.4117 | 0.1583 | 0.8436 | 0.188 | 0.8603 |
| last 20 years | 2009 | 2015 | -0.5700 | -0.4117 | 0.1583 | 0.8436 | 0.188 | 0.8603 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.663 | 0.098 | -1.9131 | 0.4733 | -4.042 | 0.9922 |
| EAC | 0.663 | 4.121 | 1.8278 | 0.4733 | 3.861 | 0.0091 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
