CSEMP assessment of BDE47 in biota at West Lundy
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 31.33 | 40.33 | -12.67 | 25.33 | | | |
| linear | 2 | 20.32 | 52.32 | -6.16 | 12.32 | 13.014 | 1 | 0.0003 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 1.0629 | -0.8973 | -1.9602 | 0.2554 | -7.675 | 0.0046 |
| last 20 years | 2005 | 2018 | 1.0629 | -0.8973 | -1.9602 | 0.2554 | -7.675 | 0.0046 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.41 | 0.01 | -3.526 | 0.129 | -27.394 | 0.9999 |
| FEQG | 0.41 | 44.00 | 4.682 | 0.129 | 36.377 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
