CSEMP assessment of BD100 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 | 57.90 | 66.90 | -25.95 | 51.90 | | | |
| linear | 2 | 51.88 | 83.88 | -21.94 | 43.88 | 8.020 | 1 | 0.0046 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | -0.3884 | -2.1237 | -1.7353 | 0.3913 | -4.435 | 0.0213 |
| last 20 years | 2005 | 2018 | -0.3884 | -2.1237 | -1.7353 | 0.3913 | -4.435 | 0.0213 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.1196 | 0.0120 | -2.2992 | 0.2036 | -11.292 | 0.9993 |
| FEQG | 0.1196 | 1.0000 | 2.1237 | 0.2036 | 10.430 | 0.0009 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
