CSEMP assessment of BDE47 in biota at Farne
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 54.52 | 63.52 | -24.26 | 48.52 | | | |
| linear | 2 | 56.13 | 88.13 | -24.06 | 48.13 | 0.392 | 1 | 0.5313 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2007 | 2017 | -1.3734 | -0.0154 | 1.3580 | 2.1234 | 0.640 | 0.5679 |
| last 20 years | 2007 | 2017 | -1.3734 | -0.0154 | 1.3580 | 2.1234 | 0.640 | 0.5679 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.98 | 0.01 | -4.407 | 1.188 | -3.709 | 0.9830 |
| FEQG | 0.98 | 44.00 | 3.800 | 1.188 | 3.198 | 0.0247 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
