CSEMP assessment of CB52 in sediment at North Minch
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 62.67 | 68.67 | -28.34 | 56.67 | | | |
| linear | 2 | 64.64 | 80.64 | -28.32 | 56.64 | 0.028 | 1 | 0.8678 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2007 | 2017 | -2.0335 | -1.8009 | 0.2327 | 1.3544 | 0.172 | 0.8719 |
| last 20 years | 2007 | 2017 | -2.0335 | -1.8009 | 0.2327 | 1.3544 | 0.172 | 0.8719 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.1652 | 0.1200 | -0.3194 | 0.8475 | -0.377 | 0.6373 |
| EAC | 0.1652 | 2.7000 | 2.7941 | 0.8475 | 3.297 | 0.0150 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
