CSEMP assessment of BDE47 in sediment at Fladen Ground
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 37.85 | 43.85 | -15.93 | 31.85 | | | |
| linear | 2 | 37.98 | 53.98 | -14.99 | 29.98 | 1.871 | 1 | 0.1714 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2008 | 2013 | -1.0215 | -1.6692 | -0.6477 | 0.4170 | -1.553 | 0.1953 |
| last 20 years | 2008 | 2013 | -1.0215 | -1.6692 | -0.6477 | 0.4170 | -1.553 | 0.1953 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.19 | 0.05 | -1.327 | 0.259 | -5.120 | 0.9966 |
| FEQG | 0.19 | 97.50 | 6.249 | 0.259 | 24.119 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
