CSEMP assessment of BD209 in sediment at middle (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 34.49 | 43.49 | -14.25 | 28.49 | | | |
| linear | 2 | 36.00 | 68.00 | -14.00 | 28.00 | 0.496 | 1 | 0.4814 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2012 | 2018 | 3.957 | 3.676 | -0.2806 | 0.3412 | -0.823 | 0.4710 |
| last 20 years | 2012 | 2018 | 3.957 | 3.676 | -0.2806 | 0.3412 | -0.823 | 0.4710 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 39.51 | 0.05 | -6.672 | 0.224 | -29.829 | 1.0000 |
| FEQG | 39.51 | 47.50 | 0.184 | 0.224 | 0.824 | 0.2352 |
Raw data with supporting information
__sdmn_bd209_au.jpg "Raw data with supporting information for assessment of BD209 in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_bd209_da.jpg "Raw data with assessment of BD209 in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_bd209_as.jpg "Assessment plot for BD209 in sediment at middle (Firth of Clyde)")
Organo-bromines data
__sdmn_orgn-bda.jpg "Organo-bromines data for assessment of BD209 in sediment at middle (Firth of Clyde)")
Organo-bromines assessment
__sdmn_orgn-bas.jpg "Organo-bromines assessment of BD209 in sediment at middle (Firth of Clyde)")
Related pages
