CSEMP assessment of CB118 in biota at Off Boston (Wash)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 29.89 | 34.39 | -11.95 | 23.89 | | | |
| linear | 2 | 31.14 | 41.81 | -11.57 | 23.14 | 0.750 | 1 | 0.3865 |
| smooth (df = 2) | 3 | 29.73 | 54.73 | -9.87 | 19.73 | 3.413 | 1 | 0.0647 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | -2.2257 | -1.2943 | 0.9314 | 1.0547 | 0.883 | 0.4176 |
| last 20 years | 1999 | 2018 | -2.2257 | -1.2943 | 0.9314 | 1.0547 | 0.883 | 0.4176 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.2741 | 0.0978 | -1.0305 | 0.6776 | -1.521 | 0.9056 |
| EAC | 0.2741 | 0.3250 | 0.1704 | 0.6776 | 0.251 | 0.4057 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
