CSEMP assessment of BDE28 in biota at Off Humber
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 53.56 | 62.56 | -23.78 | 47.56 | | | |
| linear | 2 | 45.00 | 77.00 | -18.50 | 37.00 | 10.557 | 1 | 0.0012 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2017 | -1.602 | -3.805 | -2.2033 | 0.4485 | -4.913 | 0.0162 |
| last 20 years | 2005 | 2017 | -1.602 | -3.805 | -2.2033 | 0.4485 | -4.913 | 0.0162 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.02 | 0.01 | -0.618 | 0.256 | -2.410 | 0.9525 |
| FEQG | 0.02 | 120.00 | 8.592 | 0.256 | 33.507 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
