CSEMP assessment of BDE28 in biota at North Dogger 1
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 64.79 | 70.79 | -29.40 | 58.79 | | | |
| linear | 2 | 57.91 | 73.91 | -24.95 | 49.91 | 8.884 | 1 | 0.0029 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2017 | -1.667 | -3.432 | -1.7653 | 0.4269 | -4.135 | 0.0144 |
| last 20 years | 2005 | 2017 | -1.667 | -3.432 | -1.7653 | 0.4269 | -4.135 | 0.0144 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.03 | 0.01 | -0.991 | 0.273 | -3.626 | 0.9889 |
| FEQG | 0.03 | 120.00 | 8.220 | 0.273 | 30.090 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
